72162155

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:180

約数の個数: 48

約数和(自身を含む): 101191680

約数和(自身を除く): 29029525

約数列:

[1, 5, 13, 23, 47, 65, 79, 115, 169, 235, 299, 395, 611, 845, 1027, 1081, 1495, 1817, 3055, 3713, 3887, 5135, 5405, 7943, 9085, 13351, 14053, 18565, 19435, 23621, 39715, 48269, 66755, 70265, 85399, 118105, 182689, 241345, 307073, 426995, 627497, 913445, 1110187, 1535365, 3137485, 5550935, 14432431, 72162155]

約数ペア:

[(1, 72162155), (5, 14432431), (13, 5550935), (23, 3137485), (47, 1535365), (65, 1110187), (79, 913445), (115, 627497), (169, 426995), (235, 307073), (299, 241345), (395, 182689), (611, 118105), (845, 85399), (1027, 70265), (1081, 66755), (1495, 48269), (1817, 39715), (3055, 23621), (3713, 19435), (3887, 18565), (5135, 14053), (5405, 13351), (7943, 9085)]