80466660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{1093}}^1$

素因数の和:1517

約数の個数: 72

約数和(自身を含む): 244902840

約数和(自身を除く): 164436180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 409, 818, 1093, 1227, 1636, 2045, 2186, 2454, 3279, 3681, 4090, 4372, 4908, 5465, 6135, 6558, 7362, 8180, 9837, 10930, 12270, 13116, 14724, 16395, 18405, 19674, 21860, 24540, 32790, 36810, 39348, 49185, 65580, 73620, 98370, 196740, 447037, 894074, 1341111, 1788148, 2235185, 2682222, 4023333, 4470370, 5364444, 6705555, 8046666, 8940740, 13411110, 16093332, 20116665, 26822220, 40233330, 80466660]

約数ペア:

[(1, 80466660), (2, 40233330), (3, 26822220), (4, 20116665), (5, 16093332), (6, 13411110), (9, 8940740), (10, 8046666), (12, 6705555), (15, 5364444), (18, 4470370), (20, 4023333), (30, 2682222), (36, 2235185), (45, 1788148), (60, 1341111), (90, 894074), (180, 447037), (409, 196740), (818, 98370), (1093, 73620), (1227, 65580), (1636, 49185), (2045, 39348), (2186, 36810), (2454, 32790), (3279, 24540), (3681, 21860), (4090, 19674), (4372, 18405), (4908, 16395), (5465, 14724), (6135, 13116), (6558, 12270), (7362, 10930), (8180, 9837)]