1612500

素因数分解:

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

素因数の和:75

約数の個数: 72

約数和(自身を含む): 4812192

約数和(自身を除く): 3199692

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 43, 50, 60, 75, 86, 100, 125, 129, 150, 172, 215, 250, 258, 300, 375, 430, 500, 516, 625, 645, 750, 860, 1075, 1250, 1290, 1500, 1875, 2150, 2500, 2580, 3125, 3225, 3750, 4300, 5375, 6250, 6450, 7500, 9375, 10750, 12500, 12900, 16125, 18750, 21500, 26875, 32250, 37500, 53750, 64500, 80625, 107500, 134375, 161250, 268750, 322500, 403125, 537500, 806250, 1612500]

約数ペア:

[(1, 1612500), (2, 806250), (3, 537500), (4, 403125), (5, 322500), (6, 268750), (10, 161250), (12, 134375), (15, 107500), (20, 80625), (25, 64500), (30, 53750), (43, 37500), (50, 32250), (60, 26875), (75, 21500), (86, 18750), (100, 16125), (125, 12900), (129, 12500), (150, 10750), (172, 9375), (215, 7500), (250, 6450), (258, 6250), (300, 5375), (375, 4300), (430, 3750), (500, 3225), (516, 3125), (625, 2580), (645, 2500), (750, 2150), (860, 1875), (1075, 1500), (1250, 1290)]