66668460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^2\times {\mathrm{661}}^1$

素因数の和:755

約数の個数: 72

約数和(自身を含む): 191625168

約数和(自身を除く): 124956708

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 82, 123, 164, 205, 246, 410, 492, 615, 661, 820, 1230, 1322, 1681, 1983, 2460, 2644, 3305, 3362, 3966, 5043, 6610, 6724, 7932, 8405, 9915, 10086, 13220, 16810, 19830, 20172, 25215, 27101, 33620, 39660, 50430, 54202, 81303, 100860, 108404, 135505, 162606, 271010, 325212, 406515, 542020, 813030, 1111141, 1626060, 2222282, 3333423, 4444564, 5555705, 6666846, 11111410, 13333692, 16667115, 22222820, 33334230, 66668460]

約数ペア:

[(1, 66668460), (2, 33334230), (3, 22222820), (4, 16667115), (5, 13333692), (6, 11111410), (10, 6666846), (12, 5555705), (15, 4444564), (20, 3333423), (30, 2222282), (41, 1626060), (60, 1111141), (82, 813030), (123, 542020), (164, 406515), (205, 325212), (246, 271010), (410, 162606), (492, 135505), (615, 108404), (661, 100860), (820, 81303), (1230, 54202), (1322, 50430), (1681, 39660), (1983, 33620), (2460, 27101), (2644, 25215), (3305, 20172), (3362, 19830), (3966, 16810), (5043, 13220), (6610, 10086), (6724, 9915), (7932, 8405)]