| 約数 |
1,
2,
4,
5,
8,
10,
16,
20,
40,
41,
61,
80,
82,
122,
164,
205,
244,
305,
328,
410,
431,
488,
610,
656,
820,
862,
976,
1220,
1640,
1724,
2155,
2440,
2501,
3280,
3448,
4310,
4880,
5002,
6896,
8620,
10004,
12505,
17240,
17671,
20008,
25010,
26291,
34480,
35342,
40016,
50020,
52582,
70684,
88355,
100040,
105164,
131455,
141368,
176710,
200080,
210328,
262910,
282736,
353420,
420656,
525820,
706840,
1051640,
1077931,
1413680,
2103280,
2155862,
4311724,
5389655,
8623448,
10779310,
17246896,
21558620,
43117240,
86234480
|