128417820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{5233}}^1$

素因数の和:5654

約数の個数: 48

約数和(自身を含む): 360517920

約数和(自身を除く): 232100100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 409, 818, 1227, 1636, 2045, 2454, 4090, 4908, 5233, 6135, 8180, 10466, 12270, 15699, 20932, 24540, 26165, 31398, 52330, 62796, 78495, 104660, 156990, 313980, 2140297, 4280594, 6420891, 8561188, 10701485, 12841782, 21402970, 25683564, 32104455, 42805940, 64208910, 128417820]

約数ペア:

[(1, 128417820), (2, 64208910), (3, 42805940), (4, 32104455), (5, 25683564), (6, 21402970), (10, 12841782), (12, 10701485), (15, 8561188), (20, 6420891), (30, 4280594), (60, 2140297), (409, 313980), (818, 156990), (1227, 104660), (1636, 78495), (2045, 62796), (2454, 52330), (4090, 31398), (4908, 26165), (5233, 24540), (6135, 20932), (8180, 15699), (10466, 12270)]