205640880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{307}}^1\times {\mathrm{2791}}^1$

素因数の和:3114

約数の個数: 80

約数和(自身を含む): 639792384

約数和(自身を除く): 434151504

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 307, 614, 921, 1228, 1535, 1842, 2456, 2791, 3070, 3684, 4605, 4912, 5582, 6140, 7368, 8373, 9210, 11164, 12280, 13955, 14736, 16746, 18420, 22328, 24560, 27910, 33492, 36840, 41865, 44656, 55820, 66984, 73680, 83730, 111640, 133968, 167460, 223280, 334920, 669840, 856837, 1713674, 2570511, 3427348, 4284185, 5141022, 6854696, 8568370, 10282044, 12852555, 13709392, 17136740, 20564088, 25705110, 34273480, 41128176, 51410220, 68546960, 102820440, 205640880]

約数ペア:

[(1, 205640880), (2, 102820440), (3, 68546960), (4, 51410220), (5, 41128176), (6, 34273480), (8, 25705110), (10, 20564088), (12, 17136740), (15, 13709392), (16, 12852555), (20, 10282044), (24, 8568370), (30, 6854696), (40, 5141022), (48, 4284185), (60, 3427348), (80, 2570511), (120, 1713674), (240, 856837), (307, 669840), (614, 334920), (921, 223280), (1228, 167460), (1535, 133968), (1842, 111640), (2456, 83730), (2791, 73680), (3070, 66984), (3684, 55820), (4605, 44656), (4912, 41865), (5582, 36840), (6140, 33492), (7368, 27910), (8373, 24560), (9210, 22328), (11164, 18420), (12280, 16746), (13955, 14736)]