67116520

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{449}}^1$

素因数の和:598

約数の個数: 64

約数和(自身を含む): 156978000

約数和(自身を除く): 89861480

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 101, 148, 185, 202, 296, 370, 404, 449, 505, 740, 808, 898, 1010, 1480, 1796, 2020, 2245, 3592, 3737, 4040, 4490, 7474, 8980, 14948, 16613, 17960, 18685, 29896, 33226, 37370, 45349, 66452, 74740, 83065, 90698, 132904, 149480, 166130, 181396, 226745, 332260, 362792, 453490, 664520, 906980, 1677913, 1813960, 3355826, 6711652, 8389565, 13423304, 16779130, 33558260, 67116520]

約数ペア:

[(1, 67116520), (2, 33558260), (4, 16779130), (5, 13423304), (8, 8389565), (10, 6711652), (20, 3355826), (37, 1813960), (40, 1677913), (74, 906980), (101, 664520), (148, 453490), (185, 362792), (202, 332260), (296, 226745), (370, 181396), (404, 166130), (449, 149480), (505, 132904), (740, 90698), (808, 83065), (898, 74740), (1010, 66452), (1480, 45349), (1796, 37370), (2020, 33226), (2245, 29896), (3592, 18685), (3737, 17960), (4040, 16613), (4490, 14948), (7474, 8980)]