81457590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1\times {\mathrm{229}}^1$

素因数の和:477

約数の個数: 64

約数和(自身を含む): 200309760

約数和(自身を除く): 118852170

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 71, 142, 167, 213, 229, 334, 355, 426, 458, 501, 687, 710, 835, 1002, 1065, 1145, 1374, 1670, 2130, 2290, 2505, 3435, 5010, 6870, 11857, 16259, 23714, 32518, 35571, 38243, 48777, 59285, 71142, 76486, 81295, 97554, 114729, 118570, 162590, 177855, 191215, 229458, 243885, 355710, 382430, 487770, 573645, 1147290, 2715253, 5430506, 8145759, 13576265, 16291518, 27152530, 40728795, 81457590]

約数ペア:

[(1, 81457590), (2, 40728795), (3, 27152530), (5, 16291518), (6, 13576265), (10, 8145759), (15, 5430506), (30, 2715253), (71, 1147290), (142, 573645), (167, 487770), (213, 382430), (229, 355710), (334, 243885), (355, 229458), (426, 191215), (458, 177855), (501, 162590), (687, 118570), (710, 114729), (835, 97554), (1002, 81295), (1065, 76486), (1145, 71142), (1374, 59285), (1670, 48777), (2130, 38243), (2290, 35571), (2505, 32518), (3435, 23714), (5010, 16259), (6870, 11857)]