31278480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{2459}}^1$

素因数の和:2528

約数の個数: 80

約数和(自身を含む): 98832960

約数和(自身を除く): 67554480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 53, 60, 80, 106, 120, 159, 212, 240, 265, 318, 424, 530, 636, 795, 848, 1060, 1272, 1590, 2120, 2459, 2544, 3180, 4240, 4918, 6360, 7377, 9836, 12295, 12720, 14754, 19672, 24590, 29508, 36885, 39344, 49180, 59016, 73770, 98360, 118032, 130327, 147540, 196720, 260654, 295080, 390981, 521308, 590160, 651635, 781962, 1042616, 1303270, 1563924, 1954905, 2085232, 2606540, 3127848, 3909810, 5213080, 6255696, 7819620, 10426160, 15639240, 31278480]

約数ペア:

[(1, 31278480), (2, 15639240), (3, 10426160), (4, 7819620), (5, 6255696), (6, 5213080), (8, 3909810), (10, 3127848), (12, 2606540), (15, 2085232), (16, 1954905), (20, 1563924), (24, 1303270), (30, 1042616), (40, 781962), (48, 651635), (53, 590160), (60, 521308), (80, 390981), (106, 295080), (120, 260654), (159, 196720), (212, 147540), (240, 130327), (265, 118032), (318, 98360), (424, 73770), (530, 59016), (636, 49180), (795, 39344), (848, 36885), (1060, 29508), (1272, 24590), (1590, 19672), (2120, 14754), (2459, 12720), (2544, 12295), (3180, 9836), (4240, 7377), (4918, 6360)]