7987500

素因数分解:

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

素因数の和:106

約数の個数: 108

約数和(自身を含む): 25592112

約数和(自身を除く): 17604612

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 71, 75, 90, 100, 125, 142, 150, 180, 213, 225, 250, 284, 300, 355, 375, 426, 450, 500, 625, 639, 710, 750, 852, 900, 1065, 1125, 1250, 1278, 1420, 1500, 1775, 1875, 2130, 2250, 2500, 2556, 3125, 3195, 3550, 3750, 4260, 4500, 5325, 5625, 6250, 6390, 7100, 7500, 8875, 9375, 10650, 11250, 12500, 12780, 15975, 17750, 18750, 21300, 22500, 26625, 28125, 31950, 35500, 37500, 44375, 53250, 56250, 63900, 79875, 88750, 106500, 112500, 133125, 159750, 177500, 221875, 266250, 319500, 399375, 443750, 532500, 665625, 798750, 887500, 1331250, 1597500, 1996875, 2662500, 3993750, 7987500]

約数ペア:

[(1, 7987500), (2, 3993750), (3, 2662500), (4, 1996875), (5, 1597500), (6, 1331250), (9, 887500), (10, 798750), (12, 665625), (15, 532500), (18, 443750), (20, 399375), (25, 319500), (30, 266250), (36, 221875), (45, 177500), (50, 159750), (60, 133125), (71, 112500), (75, 106500), (90, 88750), (100, 79875), (125, 63900), (142, 56250), (150, 53250), (180, 44375), (213, 37500), (225, 35500), (250, 31950), (284, 28125), (300, 26625), (355, 22500), (375, 21300), (426, 18750), (450, 17750), (500, 15975), (625, 12780), (639, 12500), (710, 11250), (750, 10650), (852, 9375), (900, 8875), (1065, 7500), (1125, 7100), (1250, 6390), (1278, 6250), (1420, 5625), (1500, 5325), (1775, 4500), (1875, 4260), (2130, 3750), (2250, 3550), (2500, 3195), (2556, 3125)]