81182530

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{397}}^1$

素因数の和:452

約数の個数: 72

約数和(自身を含む): 174364596

約数和(自身を除く): 93182066

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 121, 130, 143, 169, 242, 286, 338, 397, 605, 715, 794, 845, 1210, 1430, 1573, 1690, 1859, 1985, 3146, 3718, 3970, 4367, 5161, 7865, 8734, 9295, 10322, 15730, 18590, 20449, 21835, 25805, 40898, 43670, 48037, 51610, 56771, 67093, 96074, 102245, 113542, 134186, 204490, 240185, 283855, 335465, 480370, 567710, 624481, 670930, 738023, 1248962, 1476046, 3122405, 3690115, 6244810, 7380230, 8118253, 16236506, 40591265, 81182530]

約数ペア:

[(1, 81182530), (2, 40591265), (5, 16236506), (10, 8118253), (11, 7380230), (13, 6244810), (22, 3690115), (26, 3122405), (55, 1476046), (65, 1248962), (110, 738023), (121, 670930), (130, 624481), (143, 567710), (169, 480370), (242, 335465), (286, 283855), (338, 240185), (397, 204490), (605, 134186), (715, 113542), (794, 102245), (845, 96074), (1210, 67093), (1430, 56771), (1573, 51610), (1690, 48037), (1859, 43670), (1985, 40898), (3146, 25805), (3718, 21835), (3970, 20449), (4367, 18590), (5161, 15730), (7865, 10322), (8734, 9295)]