87187500

素因数分解:

$2^2\times 3^2\times 5^7\times {\mathrm{31}}^1$

素因数の和:76

約数の個数: 144

約数和(自身を含む): 284374272

約数和(自身を除く): 197186772

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 31, 36, 45, 50, 60, 62, 75, 90, 93, 100, 124, 125, 150, 155, 180, 186, 225, 250, 279, 300, 310, 372, 375, 450, 465, 500, 558, 620, 625, 750, 775, 900, 930, 1116, 1125, 1250, 1395, 1500, 1550, 1860, 1875, 2250, 2325, 2500, 2790, 3100, 3125, 3750, 3875, 4500, 4650, 5580, 5625, 6250, 6975, 7500, 7750, 9300, 9375, 11250, 11625, 12500, 13950, 15500, 15625, 18750, 19375, 22500, 23250, 27900, 28125, 31250, 34875, 37500, 38750, 46500, 46875, 56250, 58125, 62500, 69750, 77500, 78125, 93750, 96875, 112500, 116250, 139500, 140625, 156250, 174375, 187500, 193750, 232500, 234375, 281250, 290625, 312500, 348750, 387500, 468750, 484375, 562500, 581250, 697500, 703125, 871875, 937500, 968750, 1162500, 1406250, 1453125, 1743750, 1937500, 2421875, 2812500, 2906250, 3487500, 4359375, 4843750, 5812500, 7265625, 8718750, 9687500, 14531250, 17437500, 21796875, 29062500, 43593750, 87187500]

約数ペア:

[(1, 87187500), (2, 43593750), (3, 29062500), (4, 21796875), (5, 17437500), (6, 14531250), (9, 9687500), (10, 8718750), (12, 7265625), (15, 5812500), (18, 4843750), (20, 4359375), (25, 3487500), (30, 2906250), (31, 2812500), (36, 2421875), (45, 1937500), (50, 1743750), (60, 1453125), (62, 1406250), (75, 1162500), (90, 968750), (93, 937500), (100, 871875), (124, 703125), (125, 697500), (150, 581250), (155, 562500), (180, 484375), (186, 468750), (225, 387500), (250, 348750), (279, 312500), (300, 290625), (310, 281250), (372, 234375), (375, 232500), (450, 193750), (465, 187500), (500, 174375), (558, 156250), (620, 140625), (625, 139500), (750, 116250), (775, 112500), (900, 96875), (930, 93750), (1116, 78125), (1125, 77500), (1250, 69750), (1395, 62500), (1500, 58125), (1550, 56250), (1860, 46875), (1875, 46500), (2250, 38750), (2325, 37500), (2500, 34875), (2790, 31250), (3100, 28125), (3125, 27900), (3750, 23250), (3875, 22500), (4500, 19375), (4650, 18750), (5580, 15625), (5625, 15500), (6250, 13950), (6975, 12500), (7500, 11625), (7750, 11250), (9300, 9375)]