| 約数 |
1,
2,
3,
4,
5,
6,
7,
9,
10,
12,
14,
15,
18,
19,
20,
21,
28,
30,
35,
36,
38,
42,
45,
49,
57,
60,
63,
70,
76,
84,
90,
95,
98,
105,
114,
126,
133,
140,
147,
171,
180,
190,
196,
210,
228,
245,
252,
266,
285,
294,
315,
342,
380,
399,
420,
441,
490,
532,
570,
588,
630,
665,
684,
735,
798,
855,
882,
931,
980,
1031,
1140,
1197,
1260,
1330,
1470,
1596,
1710,
1764,
1862,
1995,
2062,
2205,
2394,
2660,
2793,
2940,
3093,
3420,
3724,
3990,
4124,
4410,
4655,
4788,
5155,
5586,
5985,
6186,
7217,
7980,
8379,
8820,
9279,
9310,
10310,
11172,
11970,
12372,
13965,
14434,
15465,
16758,
18558,
18620,
19589,
20620,
21651,
23940,
27930,
28868,
30930,
33516,
36085,
37116,
39178,
41895,
43302,
46395,
50519,
55860,
58767,
61860,
64953,
72170,
78356,
83790,
86604,
92790,
97945,
101038,
108255,
117534,
129906,
137123,
144340,
151557,
167580,
176301,
185580,
195890,
202076,
216510,
235068,
252595,
259812,
274246,
293835,
303114,
324765,
352602,
391780,
411369,
433020,
454671,
505190,
548492,
587670,
606228,
649530,
685615,
705204,
757785,
822738,
881505,
909342,
959861,
1010380,
1175340,
1234107,
1299060,
1371230,
1515570,
1645476,
1763010,
1818684,
1919722,
2056845,
2273355,
2468214,
2742460,
2879583,
3031140,
3526020,
3839444,
4113690,
4546710,
4799305,
4936428,
5759166,
6170535,
8227380,
8638749,
9093420,
9598610,
11518332,
12341070,
14397915,
17277498,
19197220,
24682140,
28795830,
34554996,
43193745,
57591660,
86387490,
172774980
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