80625000

素因数分解:

$2^3\times 3^1\times 5^7\times {\mathrm{43}}^1$

素因数の和:87

約数の個数: 128

約数和(自身を含む): 257811840

約数和(自身を除く): 177186840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 43, 50, 60, 75, 86, 100, 120, 125, 129, 150, 172, 200, 215, 250, 258, 300, 344, 375, 430, 500, 516, 600, 625, 645, 750, 860, 1000, 1032, 1075, 1250, 1290, 1500, 1720, 1875, 2150, 2500, 2580, 3000, 3125, 3225, 3750, 4300, 5000, 5160, 5375, 6250, 6450, 7500, 8600, 9375, 10750, 12500, 12900, 15000, 15625, 16125, 18750, 21500, 25000, 25800, 26875, 31250, 32250, 37500, 43000, 46875, 53750, 62500, 64500, 75000, 78125, 80625, 93750, 107500, 125000, 129000, 134375, 156250, 161250, 187500, 215000, 234375, 268750, 312500, 322500, 375000, 403125, 468750, 537500, 625000, 645000, 671875, 806250, 937500, 1075000, 1343750, 1612500, 1875000, 2015625, 2687500, 3225000, 3359375, 4031250, 5375000, 6718750, 8062500, 10078125, 13437500, 16125000, 20156250, 26875000, 40312500, 80625000]

約数ペア:

[(1, 80625000), (2, 40312500), (3, 26875000), (4, 20156250), (5, 16125000), (6, 13437500), (8, 10078125), (10, 8062500), (12, 6718750), (15, 5375000), (20, 4031250), (24, 3359375), (25, 3225000), (30, 2687500), (40, 2015625), (43, 1875000), (50, 1612500), (60, 1343750), (75, 1075000), (86, 937500), (100, 806250), (120, 671875), (125, 645000), (129, 625000), (150, 537500), (172, 468750), (200, 403125), (215, 375000), (250, 322500), (258, 312500), (300, 268750), (344, 234375), (375, 215000), (430, 187500), (500, 161250), (516, 156250), (600, 134375), (625, 129000), (645, 125000), (750, 107500), (860, 93750), (1000, 80625), (1032, 78125), (1075, 75000), (1250, 64500), (1290, 62500), (1500, 53750), (1720, 46875), (1875, 43000), (2150, 37500), (2500, 32250), (2580, 31250), (3000, 26875), (3125, 25800), (3225, 25000), (3750, 21500), (4300, 18750), (5000, 16125), (5160, 15625), (5375, 15000), (6250, 12900), (6450, 12500), (7500, 10750), (8600, 9375)]