31580560

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2111}}^1$

素因数の和:2152

約数の個数: 80

約数和(自身を含む): 84851712

約数和(自身を除く): 53271152

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 34, 40, 44, 55, 68, 80, 85, 88, 110, 136, 170, 176, 187, 220, 272, 340, 374, 440, 680, 748, 880, 935, 1360, 1496, 1870, 2111, 2992, 3740, 4222, 7480, 8444, 10555, 14960, 16888, 21110, 23221, 33776, 35887, 42220, 46442, 71774, 84440, 92884, 116105, 143548, 168880, 179435, 185768, 232210, 287096, 358870, 371536, 394757, 464420, 574192, 717740, 789514, 928840, 1435480, 1579028, 1857680, 1973785, 2870960, 3158056, 3947570, 6316112, 7895140, 15790280, 31580560]

約数ペア:

[(1, 31580560), (2, 15790280), (4, 7895140), (5, 6316112), (8, 3947570), (10, 3158056), (11, 2870960), (16, 1973785), (17, 1857680), (20, 1579028), (22, 1435480), (34, 928840), (40, 789514), (44, 717740), (55, 574192), (68, 464420), (80, 394757), (85, 371536), (88, 358870), (110, 287096), (136, 232210), (170, 185768), (176, 179435), (187, 168880), (220, 143548), (272, 116105), (340, 92884), (374, 84440), (440, 71774), (680, 46442), (748, 42220), (880, 35887), (935, 33776), (1360, 23221), (1496, 21110), (1870, 16888), (2111, 14960), (2992, 10555), (3740, 8444), (4222, 7480)]