81681696

素因数分解:

$2^5\times 3^4\times {\mathrm{31513}}^1$

素因数の和:31535

約数の個数: 60

約数和(自身を含む): 240231222

約数和(自身を除く): 158549526

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 81, 96, 108, 144, 162, 216, 288, 324, 432, 648, 864, 1296, 2592, 31513, 63026, 94539, 126052, 189078, 252104, 283617, 378156, 504208, 567234, 756312, 850851, 1008416, 1134468, 1512624, 1701702, 2268936, 2552553, 3025248, 3403404, 4537872, 5105106, 6806808, 9075744, 10210212, 13613616, 20420424, 27227232, 40840848, 81681696]

約数ペア:

[(1, 81681696), (2, 40840848), (3, 27227232), (4, 20420424), (6, 13613616), (8, 10210212), (9, 9075744), (12, 6806808), (16, 5105106), (18, 4537872), (24, 3403404), (27, 3025248), (32, 2552553), (36, 2268936), (48, 1701702), (54, 1512624), (72, 1134468), (81, 1008416), (96, 850851), (108, 756312), (144, 567234), (162, 504208), (216, 378156), (288, 283617), (324, 252104), (432, 189078), (648, 126052), (864, 94539), (1296, 63026), (2592, 31513)]