| 約数 |
1,
2,
4,
5,
8,
10,
13,
16,
20,
26,
32,
40,
52,
65,
80,
101,
104,
130,
160,
202,
208,
260,
404,
416,
505,
520,
808,
1010,
1040,
1313,
1616,
2020,
2080,
2626,
3232,
3499,
4040,
5252,
6565,
6998,
8080,
10504,
13130,
13996,
16160,
17495,
21008,
26260,
27992,
34990,
42016,
45487,
52520,
55984,
69980,
90974,
105040,
111968,
139960,
181948,
210080,
227435,
279920,
353399,
363896,
454870,
559840,
706798,
727792,
909740,
1413596,
1455584,
1766995,
1819480,
2827192,
3533990,
3638960,
4594187,
5654384,
7067980,
7277920,
9188374,
11308768,
14135960,
18376748,
22970935,
28271920,
36753496,
45941870,
56543840,
73506992,
91883740,
147013984,
183767480,
367534960,
735069920
|