79517320

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{557}}^1$

素因数の和:694

約数の個数: 64

約数和(自身を含む): 185613120

約数和(自身を除く): 106095800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 83, 86, 166, 172, 215, 332, 344, 415, 430, 557, 664, 830, 860, 1114, 1660, 1720, 2228, 2785, 3320, 3569, 4456, 5570, 7138, 11140, 14276, 17845, 22280, 23951, 28552, 35690, 46231, 47902, 71380, 92462, 95804, 119755, 142760, 184924, 191608, 231155, 239510, 369848, 462310, 479020, 924620, 958040, 1849240, 1987933, 3975866, 7951732, 9939665, 15903464, 19879330, 39758660, 79517320]

約数ペア:

[(1, 79517320), (2, 39758660), (4, 19879330), (5, 15903464), (8, 9939665), (10, 7951732), (20, 3975866), (40, 1987933), (43, 1849240), (83, 958040), (86, 924620), (166, 479020), (172, 462310), (215, 369848), (332, 239510), (344, 231155), (415, 191608), (430, 184924), (557, 142760), (664, 119755), (830, 95804), (860, 92462), (1114, 71380), (1660, 47902), (1720, 46231), (2228, 35690), (2785, 28552), (3320, 23951), (3569, 22280), (4456, 17845), (5570, 14276), (7138, 11140)]