81738750

素因数分解:

$2^1\times 3^1\times 5^4\times {\mathrm{71}}^1\times {\mathrm{307}}^1$

素因数の和:403

約数の個数: 80

約数和(自身を含む): 207833472

約数和(自身を除く): 126094722

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 71, 75, 125, 142, 150, 213, 250, 307, 355, 375, 426, 614, 625, 710, 750, 921, 1065, 1250, 1535, 1775, 1842, 1875, 2130, 3070, 3550, 3750, 4605, 5325, 7675, 8875, 9210, 10650, 15350, 17750, 21797, 23025, 26625, 38375, 43594, 44375, 46050, 53250, 65391, 76750, 88750, 108985, 115125, 130782, 133125, 191875, 217970, 230250, 266250, 326955, 383750, 544925, 575625, 653910, 1089850, 1151250, 1634775, 2724625, 3269550, 5449250, 8173875, 13623125, 16347750, 27246250, 40869375, 81738750]

約数ペア:

[(1, 81738750), (2, 40869375), (3, 27246250), (5, 16347750), (6, 13623125), (10, 8173875), (15, 5449250), (25, 3269550), (30, 2724625), (50, 1634775), (71, 1151250), (75, 1089850), (125, 653910), (142, 575625), (150, 544925), (213, 383750), (250, 326955), (307, 266250), (355, 230250), (375, 217970), (426, 191875), (614, 133125), (625, 130782), (710, 115125), (750, 108985), (921, 88750), (1065, 76750), (1250, 65391), (1535, 53250), (1775, 46050), (1842, 44375), (1875, 43594), (2130, 38375), (3070, 26625), (3550, 23025), (3750, 21797), (4605, 17750), (5325, 15350), (7675, 10650), (8875, 9210)]