320742015

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{379}}^1$

素因数の和:644

約数の個数: 64

約数和(自身を含む): 588349440

約数和(自身を除く): 267607425

約数列:

[1, 3, 5, 11, 15, 23, 33, 55, 69, 115, 165, 223, 253, 345, 379, 669, 759, 1115, 1137, 1265, 1895, 2453, 3345, 3795, 4169, 5129, 5685, 7359, 8717, 12265, 12507, 15387, 20845, 25645, 26151, 36795, 43585, 56419, 62535, 76935, 84517, 95887, 130755, 169257, 253551, 282095, 287661, 422585, 479435, 846285, 929687, 1267755, 1438305, 1943891, 2789061, 4648435, 5831673, 9719455, 13945305, 21382801, 29158365, 64148403, 106914005, 320742015]

約数ペア:

[(1, 320742015), (3, 106914005), (5, 64148403), (11, 29158365), (15, 21382801), (23, 13945305), (33, 9719455), (55, 5831673), (69, 4648435), (115, 2789061), (165, 1943891), (223, 1438305), (253, 1267755), (345, 929687), (379, 846285), (669, 479435), (759, 422585), (1115, 287661), (1137, 282095), (1265, 253551), (1895, 169257), (2453, 130755), (3345, 95887), (3795, 84517), (4169, 76935), (5129, 62535), (5685, 56419), (7359, 43585), (8717, 36795), (12265, 26151), (12507, 25645), (15387, 20845)]