1311787840

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{372667}}^1$

素因数の和:372695

約数の個数: 56

約数和(自身を含む): 3407676192

約数和(自身を除く): 2095888352

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 160, 176, 220, 320, 352, 440, 704, 880, 1760, 3520, 372667, 745334, 1490668, 1863335, 2981336, 3726670, 4099337, 5962672, 7453340, 8198674, 11925344, 14906680, 16397348, 20496685, 23850688, 29813360, 32794696, 40993370, 59626720, 65589392, 81986740, 119253440, 131178784, 163973480, 262357568, 327946960, 655893920, 1311787840]

約数ペア:

[(1, 1311787840), (2, 655893920), (4, 327946960), (5, 262357568), (8, 163973480), (10, 131178784), (11, 119253440), (16, 81986740), (20, 65589392), (22, 59626720), (32, 40993370), (40, 32794696), (44, 29813360), (55, 23850688), (64, 20496685), (80, 16397348), (88, 14906680), (110, 11925344), (160, 8198674), (176, 7453340), (220, 5962672), (320, 4099337), (352, 3726670), (440, 2981336), (704, 1863335), (880, 1490668), (1760, 745334), (3520, 372667)]