12380625

素因数分解:

$3^2\times 5^4\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:128

約数の個数: 60

約数和(自身を含む): 23392512

約数和(自身を除く): 11011887

約数列:

[1, 3, 5, 9, 15, 25, 31, 45, 71, 75, 93, 125, 155, 213, 225, 279, 355, 375, 465, 625, 639, 775, 1065, 1125, 1395, 1775, 1875, 2201, 2325, 3195, 3875, 5325, 5625, 6603, 6975, 8875, 11005, 11625, 15975, 19375, 19809, 26625, 33015, 34875, 44375, 55025, 58125, 79875, 99045, 133125, 165075, 174375, 275125, 399375, 495225, 825375, 1375625, 2476125, 4126875, 12380625]

約数ペア:

[(1, 12380625), (3, 4126875), (5, 2476125), (9, 1375625), (15, 825375), (25, 495225), (31, 399375), (45, 275125), (71, 174375), (75, 165075), (93, 133125), (125, 99045), (155, 79875), (213, 58125), (225, 55025), (279, 44375), (355, 34875), (375, 33015), (465, 26625), (625, 19809), (639, 19375), (775, 15975), (1065, 11625), (1125, 11005), (1395, 8875), (1775, 6975), (1875, 6603), (2201, 5625), (2325, 5325), (3195, 3875)]