81291744

素因数分解:

$2^5\times 3^2\times {\mathrm{277}}^1\times {\mathrm{1019}}^1$

素因数の和:1312

約数の個数: 72

約数和(自身を含む): 232235640

約数和(自身を除く): 150943896

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 277, 288, 554, 831, 1019, 1108, 1662, 2038, 2216, 2493, 3057, 3324, 4076, 4432, 4986, 6114, 6648, 8152, 8864, 9171, 9972, 12228, 13296, 16304, 18342, 19944, 24456, 26592, 32608, 36684, 39888, 48912, 73368, 79776, 97824, 146736, 282263, 293472, 564526, 846789, 1129052, 1693578, 2258104, 2540367, 3387156, 4516208, 5080734, 6774312, 9032416, 10161468, 13548624, 20322936, 27097248, 40645872, 81291744]

約数ペア:

[(1, 81291744), (2, 40645872), (3, 27097248), (4, 20322936), (6, 13548624), (8, 10161468), (9, 9032416), (12, 6774312), (16, 5080734), (18, 4516208), (24, 3387156), (32, 2540367), (36, 2258104), (48, 1693578), (72, 1129052), (96, 846789), (144, 564526), (277, 293472), (288, 282263), (554, 146736), (831, 97824), (1019, 79776), (1108, 73368), (1662, 48912), (2038, 39888), (2216, 36684), (2493, 32608), (3057, 26592), (3324, 24456), (4076, 19944), (4432, 18342), (4986, 16304), (6114, 13296), (6648, 12228), (8152, 9972), (8864, 9171)]