691357428540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{56681}}^1\times {\mathrm{67763}}^1$

素因数の和:124459

約数の個数: 72

約数和(自身を含む): 2097185480208

約数和(自身を除く): 1405828051668

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 56681, 67763, 113362, 135526, 170043, 203289, 226724, 271052, 283405, 338815, 340086, 406578, 510129, 566810, 609867, 677630, 680172, 813156, 850215, 1016445, 1020258, 1133620, 1219734, 1355260, 1700430, 2032890, 2040516, 2439468, 2550645, 3049335, 3400860, 4065780, 5101290, 6098670, 10202580, 12197340, 3840874603, 7681749206, 11522623809, 15363498412, 19204373015, 23045247618, 34567871427, 38408746030, 46090495236, 57613119045, 69135742854, 76817492060, 115226238090, 138271485708, 172839357135, 230452476180, 345678714270, 691357428540]

約数ペア:

[(1, 691357428540), (2, 345678714270), (3, 230452476180), (4, 172839357135), (5, 138271485708), (6, 115226238090), (9, 76817492060), (10, 69135742854), (12, 57613119045), (15, 46090495236), (18, 38408746030), (20, 34567871427), (30, 23045247618), (36, 19204373015), (45, 15363498412), (60, 11522623809), (90, 7681749206), (180, 3840874603), (56681, 12197340), (67763, 10202580), (113362, 6098670), (135526, 5101290), (170043, 4065780), (203289, 3400860), (226724, 3049335), (271052, 2550645), (283405, 2439468), (338815, 2040516), (340086, 2032890), (406578, 1700430), (510129, 1355260), (566810, 1219734), (609867, 1133620), (677630, 1020258), (680172, 1016445), (813156, 850215)]