7989080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{271}}^1$

素因数の和:360

約数の個数: 64

約数和(自身を含む): 19975680

約数和(自身を除く): 11986600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 67, 88, 110, 134, 220, 268, 271, 335, 440, 536, 542, 670, 737, 1084, 1340, 1355, 1474, 2168, 2680, 2710, 2948, 2981, 3685, 5420, 5896, 5962, 7370, 10840, 11924, 14740, 14905, 18157, 23848, 29480, 29810, 36314, 59620, 72628, 90785, 119240, 145256, 181570, 199727, 363140, 399454, 726280, 798908, 998635, 1597816, 1997270, 3994540, 7989080]

約数ペア:

[(1, 7989080), (2, 3994540), (4, 1997270), (5, 1597816), (8, 998635), (10, 798908), (11, 726280), (20, 399454), (22, 363140), (40, 199727), (44, 181570), (55, 145256), (67, 119240), (88, 90785), (110, 72628), (134, 59620), (220, 36314), (268, 29810), (271, 29480), (335, 23848), (440, 18157), (536, 14905), (542, 14740), (670, 11924), (737, 10840), (1084, 7370), (1340, 5962), (1355, 5896), (1474, 5420), (2168, 3685), (2680, 2981), (2710, 2948)]