15131500

素因数分解:

$2^2\times 5^3\times {\mathrm{53}}^1\times {\mathrm{571}}^1$

素因数の和:643

約数の個数: 48

約数和(自身を含む): 33729696

約数和(自身を除く): 18598196

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 53, 100, 106, 125, 212, 250, 265, 500, 530, 571, 1060, 1142, 1325, 2284, 2650, 2855, 5300, 5710, 6625, 11420, 13250, 14275, 26500, 28550, 30263, 57100, 60526, 71375, 121052, 142750, 151315, 285500, 302630, 605260, 756575, 1513150, 3026300, 3782875, 7565750, 15131500]

約数ペア:

[(1, 15131500), (2, 7565750), (4, 3782875), (5, 3026300), (10, 1513150), (20, 756575), (25, 605260), (50, 302630), (53, 285500), (100, 151315), (106, 142750), (125, 121052), (212, 71375), (250, 60526), (265, 57100), (500, 30263), (530, 28550), (571, 26500), (1060, 14275), (1142, 13250), (1325, 11420), (2284, 6625), (2650, 5710), (2855, 5300)]