12543750

素因数分解:

$2^1\times 3^2\times 5^5\times {\mathrm{223}}^1$

素因数の和:256

約数の個数: 72

約数和(自身を含む): 34122816

約数和(自身を除く): 21579066

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 125, 150, 223, 225, 250, 375, 446, 450, 625, 669, 750, 1115, 1125, 1250, 1338, 1875, 2007, 2230, 2250, 3125, 3345, 3750, 4014, 5575, 5625, 6250, 6690, 9375, 10035, 11150, 11250, 16725, 18750, 20070, 27875, 28125, 33450, 50175, 55750, 56250, 83625, 100350, 139375, 167250, 250875, 278750, 418125, 501750, 696875, 836250, 1254375, 1393750, 2090625, 2508750, 4181250, 6271875, 12543750]

約数ペア:

[(1, 12543750), (2, 6271875), (3, 4181250), (5, 2508750), (6, 2090625), (9, 1393750), (10, 1254375), (15, 836250), (18, 696875), (25, 501750), (30, 418125), (45, 278750), (50, 250875), (75, 167250), (90, 139375), (125, 100350), (150, 83625), (223, 56250), (225, 55750), (250, 50175), (375, 33450), (446, 28125), (450, 27875), (625, 20070), (669, 18750), (750, 16725), (1115, 11250), (1125, 11150), (1250, 10035), (1338, 9375), (1875, 6690), (2007, 6250), (2230, 5625), (2250, 5575), (3125, 4014), (3345, 3750)]