64537500

素因数分解:

$2^2\times 3^1\times 5^5\times {\mathrm{1721}}^1$

素因数の和:1753

約数の個数: 72

約数和(自身を含む): 188331696

約数和(自身を除く): 123794196

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 125, 150, 250, 300, 375, 500, 625, 750, 1250, 1500, 1721, 1875, 2500, 3125, 3442, 3750, 5163, 6250, 6884, 7500, 8605, 9375, 10326, 12500, 17210, 18750, 20652, 25815, 34420, 37500, 43025, 51630, 86050, 103260, 129075, 172100, 215125, 258150, 430250, 516300, 645375, 860500, 1075625, 1290750, 2151250, 2581500, 3226875, 4302500, 5378125, 6453750, 10756250, 12907500, 16134375, 21512500, 32268750, 64537500]

約数ペア:

[(1, 64537500), (2, 32268750), (3, 21512500), (4, 16134375), (5, 12907500), (6, 10756250), (10, 6453750), (12, 5378125), (15, 4302500), (20, 3226875), (25, 2581500), (30, 2151250), (50, 1290750), (60, 1075625), (75, 860500), (100, 645375), (125, 516300), (150, 430250), (250, 258150), (300, 215125), (375, 172100), (500, 129075), (625, 103260), (750, 86050), (1250, 51630), (1500, 43025), (1721, 37500), (1875, 34420), (2500, 25815), (3125, 20652), (3442, 18750), (3750, 17210), (5163, 12500), (6250, 10326), (6884, 9375), (7500, 8605)]