81399660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{359}}^1\times {\mathrm{3779}}^1$

素因数の和:4150

約数の個数: 48

約数和(自身を含む): 228614400

約数和(自身を除く): 147214740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 359, 718, 1077, 1436, 1795, 2154, 3590, 3779, 4308, 5385, 7180, 7558, 10770, 11337, 15116, 18895, 21540, 22674, 37790, 45348, 56685, 75580, 113370, 226740, 1356661, 2713322, 4069983, 5426644, 6783305, 8139966, 13566610, 16279932, 20349915, 27133220, 40699830, 81399660]

約数ペア:

[(1, 81399660), (2, 40699830), (3, 27133220), (4, 20349915), (5, 16279932), (6, 13566610), (10, 8139966), (12, 6783305), (15, 5426644), (20, 4069983), (30, 2713322), (60, 1356661), (359, 226740), (718, 113370), (1077, 75580), (1436, 56685), (1795, 45348), (2154, 37790), (3590, 22674), (3779, 21540), (4308, 18895), (5385, 15116), (7180, 11337), (7558, 10770)]