68040375

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{821}}^1$

素因数の和:869

約数の個数: 64

約数和(自身を含む): 129257856

約数和(自身を除く): 61217481

約数列:

[1, 3, 5, 13, 15, 17, 25, 39, 51, 65, 75, 85, 125, 195, 221, 255, 325, 375, 425, 663, 821, 975, 1105, 1275, 1625, 2125, 2463, 3315, 4105, 4875, 5525, 6375, 10673, 12315, 13957, 16575, 20525, 27625, 32019, 41871, 53365, 61575, 69785, 82875, 102625, 160095, 181441, 209355, 266825, 307875, 348925, 544323, 800475, 907205, 1046775, 1334125, 1744625, 2721615, 4002375, 4536025, 5233875, 13608075, 22680125, 68040375]

約数ペア:

[(1, 68040375), (3, 22680125), (5, 13608075), (13, 5233875), (15, 4536025), (17, 4002375), (25, 2721615), (39, 1744625), (51, 1334125), (65, 1046775), (75, 907205), (85, 800475), (125, 544323), (195, 348925), (221, 307875), (255, 266825), (325, 209355), (375, 181441), (425, 160095), (663, 102625), (821, 82875), (975, 69785), (1105, 61575), (1275, 53365), (1625, 41871), (2125, 32019), (2463, 27625), (3315, 20525), (4105, 16575), (4875, 13957), (5525, 12315), (6375, 10673)]