80717025

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{233}}^1$

素因数の和:426

約数の個数: 48

約数和(自身を含む): 139276800

約数和(自身を除く): 58559775

約数列:

[1, 3, 5, 15, 25, 31, 75, 93, 149, 155, 233, 447, 465, 699, 745, 775, 1165, 2235, 2325, 3495, 3725, 4619, 5825, 7223, 11175, 13857, 17475, 21669, 23095, 34717, 36115, 69285, 104151, 108345, 115475, 173585, 180575, 346425, 520755, 541725, 867925, 1076227, 2603775, 3228681, 5381135, 16143405, 26905675, 80717025]

約数ペア:

[(1, 80717025), (3, 26905675), (5, 16143405), (15, 5381135), (25, 3228681), (31, 2603775), (75, 1076227), (93, 867925), (149, 541725), (155, 520755), (233, 346425), (447, 180575), (465, 173585), (699, 115475), (745, 108345), (775, 104151), (1165, 69285), (2235, 36115), (2325, 34717), (3495, 23095), (3725, 21669), (4619, 17475), (5825, 13857), (7223, 11175)]