| 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,
977,
980,
1140,
1197,
1260,
1330,
1470,
1596,
1710,
1764,
1862,
1954,
1995,
2205,
2394,
2660,
2793,
2931,
2940,
3420,
3724,
3908,
3990,
4410,
4655,
4788,
4885,
5586,
5862,
5985,
6839,
7980,
8379,
8793,
8820,
9310,
9770,
11172,
11724,
11970,
13678,
13965,
14655,
16758,
17586,
18563,
18620,
19540,
20517,
23940,
27356,
27930,
29310,
33516,
34195,
35172,
37126,
41034,
41895,
43965,
47873,
55689,
55860,
58620,
61551,
68390,
74252,
82068,
83790,
87930,
92815,
95746,
102585,
111378,
123102,
129941,
136780,
143619,
167067,
167580,
175860,
185630,
191492,
205170,
222756,
239365,
246204,
259882,
278445,
287238,
307755,
334134,
371260,
389823,
410340,
430857,
478730,
519764,
556890,
574476,
615510,
649705,
668268,
718095,
779646,
835335,
861714,
909587,
957460,
1113780,
1169469,
1231020,
1299410,
1436190,
1559292,
1670670,
1723428,
1819174,
1949115,
2154285,
2338938,
2598820,
2728761,
2872380,
3341340,
3638348,
3898230,
4308570,
4547935,
4677876,
5457522,
5847345,
7796460,
8186283,
8617140,
9095870,
10915044,
11694690,
13643805,
16372566,
18191740,
23389380,
27287610,
32745132,
40931415,
54575220,
81862830,
163725660
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