311842960

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{27259}}^1$

素因数の和:27296

約数の個数: 80

約数和(自身を含む): 851820480

約数和(自身を除く): 539977520

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 176, 208, 220, 260, 286, 440, 520, 572, 715, 880, 1040, 1144, 1430, 2288, 2860, 5720, 11440, 27259, 54518, 109036, 136295, 218072, 272590, 299849, 354367, 436144, 545180, 599698, 708734, 1090360, 1199396, 1417468, 1499245, 1771835, 2180720, 2398792, 2834936, 2998490, 3543670, 3898037, 4797584, 5669872, 5996980, 7087340, 7796074, 11993960, 14174680, 15592148, 19490185, 23987920, 28349360, 31184296, 38980370, 62368592, 77960740, 155921480, 311842960]

約数ペア:

[(1, 311842960), (2, 155921480), (4, 77960740), (5, 62368592), (8, 38980370), (10, 31184296), (11, 28349360), (13, 23987920), (16, 19490185), (20, 15592148), (22, 14174680), (26, 11993960), (40, 7796074), (44, 7087340), (52, 5996980), (55, 5669872), (65, 4797584), (80, 3898037), (88, 3543670), (104, 2998490), (110, 2834936), (130, 2398792), (143, 2180720), (176, 1771835), (208, 1499245), (220, 1417468), (260, 1199396), (286, 1090360), (440, 708734), (520, 599698), (572, 545180), (715, 436144), (880, 354367), (1040, 299849), (1144, 272590), (1430, 218072), (2288, 136295), (2860, 109036), (5720, 54518), (11440, 27259)]