145312500

素因数分解:

$2^2\times 3^1\times 5^8\times {\mathrm{31}}^1$

素因数の和:78

約数の個数: 108

約数和(自身を含む): 437499776

約数和(自身を除く): 292187276

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 31, 50, 60, 62, 75, 93, 100, 124, 125, 150, 155, 186, 250, 300, 310, 372, 375, 465, 500, 620, 625, 750, 775, 930, 1250, 1500, 1550, 1860, 1875, 2325, 2500, 3100, 3125, 3750, 3875, 4650, 6250, 7500, 7750, 9300, 9375, 11625, 12500, 15500, 15625, 18750, 19375, 23250, 31250, 37500, 38750, 46500, 46875, 58125, 62500, 77500, 78125, 93750, 96875, 116250, 156250, 187500, 193750, 232500, 234375, 290625, 312500, 387500, 390625, 468750, 484375, 581250, 781250, 937500, 968750, 1162500, 1171875, 1453125, 1562500, 1937500, 2343750, 2421875, 2906250, 4687500, 4843750, 5812500, 7265625, 9687500, 12109375, 14531250, 24218750, 29062500, 36328125, 48437500, 72656250, 145312500]

約数ペア:

[(1, 145312500), (2, 72656250), (3, 48437500), (4, 36328125), (5, 29062500), (6, 24218750), (10, 14531250), (12, 12109375), (15, 9687500), (20, 7265625), (25, 5812500), (30, 4843750), (31, 4687500), (50, 2906250), (60, 2421875), (62, 2343750), (75, 1937500), (93, 1562500), (100, 1453125), (124, 1171875), (125, 1162500), (150, 968750), (155, 937500), (186, 781250), (250, 581250), (300, 484375), (310, 468750), (372, 390625), (375, 387500), (465, 312500), (500, 290625), (620, 234375), (625, 232500), (750, 193750), (775, 187500), (930, 156250), (1250, 116250), (1500, 96875), (1550, 93750), (1860, 78125), (1875, 77500), (2325, 62500), (2500, 58125), (3100, 46875), (3125, 46500), (3750, 38750), (3875, 37500), (4650, 31250), (6250, 23250), (7500, 19375), (7750, 18750), (9300, 15625), (9375, 15500), (11625, 12500)]