| 約数 |
1,
2,
3,
4,
5,
6,
7,
8,
10,
12,
14,
15,
16,
20,
21,
24,
28,
30,
35,
40,
42,
48,
56,
60,
70,
80,
84,
105,
112,
120,
140,
168,
210,
240,
280,
336,
420,
560,
840,
1680,
255499,
510998,
766497,
1021996,
1277495,
1532994,
1788493,
2043992,
2554990,
3065988,
3576986,
3832485,
4087984,
5109980,
5365479,
6131976,
7153972,
7664970,
8942465,
10219960,
10730958,
12263952,
14307944,
15329940,
17884930,
20439920,
21461916,
26827395,
28615888,
30659880,
35769860,
42923832,
53654790,
61319760,
71539720,
85847664,
107309580,
143079440,
214619160,
429238320
|