81735160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{107}}^1\times {\mathrm{113}}^1$

素因数の和:257

約数の個数: 96

約数和(自身を含む): 202778640

約数和(自身を除く): 121043480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 107, 113, 130, 169, 214, 226, 260, 338, 428, 452, 520, 535, 565, 676, 845, 856, 904, 1070, 1130, 1352, 1391, 1469, 1690, 2140, 2260, 2782, 2938, 3380, 4280, 4520, 5564, 5876, 6760, 6955, 7345, 11128, 11752, 12091, 13910, 14690, 18083, 19097, 24182, 27820, 29380, 36166, 38194, 48364, 55640, 58760, 60455, 72332, 76388, 90415, 95485, 96728, 120910, 144664, 152776, 157183, 180830, 190970, 241820, 314366, 361660, 381940, 483640, 628732, 723320, 763880, 785915, 1257464, 1571830, 2043379, 3143660, 4086758, 6287320, 8173516, 10216895, 16347032, 20433790, 40867580, 81735160]

約数ペア:

[(1, 81735160), (2, 40867580), (4, 20433790), (5, 16347032), (8, 10216895), (10, 8173516), (13, 6287320), (20, 4086758), (26, 3143660), (40, 2043379), (52, 1571830), (65, 1257464), (104, 785915), (107, 763880), (113, 723320), (130, 628732), (169, 483640), (214, 381940), (226, 361660), (260, 314366), (338, 241820), (428, 190970), (452, 180830), (520, 157183), (535, 152776), (565, 144664), (676, 120910), (845, 96728), (856, 95485), (904, 90415), (1070, 76388), (1130, 72332), (1352, 60455), (1391, 58760), (1469, 55640), (1690, 48364), (2140, 38194), (2260, 36166), (2782, 29380), (2938, 27820), (3380, 24182), (4280, 19097), (4520, 18083), (5564, 14690), (5876, 13910), (6760, 12091), (6955, 11752), (7345, 11128)]