| 約数 |
1,
2,
4,
5,
8,
10,
16,
20,
31,
32,
40,
61,
62,
80,
122,
124,
131,
155,
160,
244,
248,
262,
305,
310,
488,
496,
524,
610,
620,
655,
976,
992,
1048,
1220,
1240,
1310,
1891,
1952,
2096,
2440,
2480,
2620,
3782,
4061,
4192,
4880,
4960,
5240,
7564,
7991,
8122,
9455,
9760,
10480,
15128,
15982,
16244,
18910,
20305,
20960,
30256,
31964,
32488,
37820,
39955,
40610,
60512,
63928,
64976,
75640,
79910,
81220,
127856,
129952,
151280,
159820,
162440,
247721,
255712,
302560,
319640,
324880,
495442,
639280,
649760,
990884,
1238605,
1278560,
1981768,
2477210,
3963536,
4954420,
7927072,
9908840,
19817680,
39635360
|