80180360

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{409}}^1$

素因数の和:475

約数の個数: 96

約数和(自身を含む): 202581000

約数和(自身を除く): 122400640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 29, 40, 52, 58, 65, 104, 116, 130, 145, 169, 232, 260, 290, 338, 377, 409, 520, 580, 676, 754, 818, 845, 1160, 1352, 1508, 1636, 1690, 1885, 2045, 3016, 3272, 3380, 3770, 4090, 4901, 5317, 6760, 7540, 8180, 9802, 10634, 11861, 15080, 16360, 19604, 21268, 23722, 24505, 26585, 39208, 42536, 47444, 49010, 53170, 59305, 69121, 94888, 98020, 106340, 118610, 138242, 154193, 196040, 212680, 237220, 276484, 308386, 345605, 474440, 552968, 616772, 691210, 770965, 1233544, 1382420, 1541930, 2004509, 2764840, 3083860, 4009018, 6167720, 8018036, 10022545, 16036072, 20045090, 40090180, 80180360]

約数ペア:

[(1, 80180360), (2, 40090180), (4, 20045090), (5, 16036072), (8, 10022545), (10, 8018036), (13, 6167720), (20, 4009018), (26, 3083860), (29, 2764840), (40, 2004509), (52, 1541930), (58, 1382420), (65, 1233544), (104, 770965), (116, 691210), (130, 616772), (145, 552968), (169, 474440), (232, 345605), (260, 308386), (290, 276484), (338, 237220), (377, 212680), (409, 196040), (520, 154193), (580, 138242), (676, 118610), (754, 106340), (818, 98020), (845, 94888), (1160, 69121), (1352, 59305), (1508, 53170), (1636, 49010), (1690, 47444), (1885, 42536), (2045, 39208), (3016, 26585), (3272, 24505), (3380, 23722), (3770, 21268), (4090, 19604), (4901, 16360), (5317, 15080), (6760, 11861), (7540, 10634), (8180, 9802)]