81909150

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{7691}}^1$

素因数の和:7777

約数の個数: 48

約数和(自身を含む): 206022528

約数和(自身を除く): 124113378

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 71, 75, 142, 150, 213, 355, 426, 710, 1065, 1775, 2130, 3550, 5325, 7691, 10650, 15382, 23073, 38455, 46146, 76910, 115365, 192275, 230730, 384550, 546061, 576825, 1092122, 1153650, 1638183, 2730305, 3276366, 5460610, 8190915, 13651525, 16381830, 27303050, 40954575, 81909150]

約数ペア:

[(1, 81909150), (2, 40954575), (3, 27303050), (5, 16381830), (6, 13651525), (10, 8190915), (15, 5460610), (25, 3276366), (30, 2730305), (50, 1638183), (71, 1153650), (75, 1092122), (142, 576825), (150, 546061), (213, 384550), (355, 230730), (426, 192275), (710, 115365), (1065, 76910), (1775, 46146), (2130, 38455), (3550, 23073), (5325, 15382), (7691, 10650)]