55478040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{643}}^1\times {\mathrm{719}}^1$

素因数の和:1376

約数の個数: 64

約数和(自身を含む): 166924800

約数和(自身を除く): 111446760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 643, 719, 1286, 1438, 1929, 2157, 2572, 2876, 3215, 3595, 3858, 4314, 5144, 5752, 6430, 7190, 7716, 8628, 9645, 10785, 12860, 14380, 15432, 17256, 19290, 21570, 25720, 28760, 38580, 43140, 77160, 86280, 462317, 924634, 1386951, 1849268, 2311585, 2773902, 3698536, 4623170, 5547804, 6934755, 9246340, 11095608, 13869510, 18492680, 27739020, 55478040]

約数ペア:

[(1, 55478040), (2, 27739020), (3, 18492680), (4, 13869510), (5, 11095608), (6, 9246340), (8, 6934755), (10, 5547804), (12, 4623170), (15, 3698536), (20, 2773902), (24, 2311585), (30, 1849268), (40, 1386951), (60, 924634), (120, 462317), (643, 86280), (719, 77160), (1286, 43140), (1438, 38580), (1929, 28760), (2157, 25720), (2572, 21570), (2876, 19290), (3215, 17256), (3595, 15432), (3858, 14380), (4314, 12860), (5144, 10785), (5752, 9645), (6430, 8628), (7190, 7716)]