81072530

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{499}}^1$

素因数の和:735

約数の個数: 64

約数和(自身を含む): 183168000

約数和(自身を除く): 102095470

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 211, 385, 422, 499, 770, 998, 1055, 1477, 2110, 2321, 2495, 2954, 3493, 4642, 4990, 5489, 6986, 7385, 10978, 11605, 14770, 16247, 17465, 23210, 27445, 32494, 34930, 38423, 54890, 76846, 81235, 105289, 162470, 192115, 210578, 384230, 526445, 737023, 1052890, 1158179, 1474046, 2316358, 3685115, 5790895, 7370230, 8107253, 11581790, 16214506, 40536265, 81072530]

約数ペア:

[(1, 81072530), (2, 40536265), (5, 16214506), (7, 11581790), (10, 8107253), (11, 7370230), (14, 5790895), (22, 3685115), (35, 2316358), (55, 1474046), (70, 1158179), (77, 1052890), (110, 737023), (154, 526445), (211, 384230), (385, 210578), (422, 192115), (499, 162470), (770, 105289), (998, 81235), (1055, 76846), (1477, 54890), (2110, 38423), (2321, 34930), (2495, 32494), (2954, 27445), (3493, 23210), (4642, 17465), (4990, 16247), (5489, 14770), (6986, 11605), (7385, 10978)]