80546680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{3821}}^1$

素因数の和:3880

約数の個数: 64

約数和(自身を含む): 198132480

約数和(自身を除く): 117585800

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 31, 34, 40, 62, 68, 85, 124, 136, 155, 170, 248, 310, 340, 527, 620, 680, 1054, 1240, 2108, 2635, 3821, 4216, 5270, 7642, 10540, 15284, 19105, 21080, 30568, 38210, 64957, 76420, 118451, 129914, 152840, 236902, 259828, 324785, 473804, 519656, 592255, 649570, 947608, 1184510, 1299140, 2013667, 2369020, 2598280, 4027334, 4738040, 8054668, 10068335, 16109336, 20136670, 40273340, 80546680]

約数ペア:

[(1, 80546680), (2, 40273340), (4, 20136670), (5, 16109336), (8, 10068335), (10, 8054668), (17, 4738040), (20, 4027334), (31, 2598280), (34, 2369020), (40, 2013667), (62, 1299140), (68, 1184510), (85, 947608), (124, 649570), (136, 592255), (155, 519656), (170, 473804), (248, 324785), (310, 259828), (340, 236902), (527, 152840), (620, 129914), (680, 118451), (1054, 76420), (1240, 64957), (2108, 38210), (2635, 30568), (3821, 21080), (4216, 19105), (5270, 15284), (7642, 10540)]