135221720

素因数分解:

$2^3\times 5^1\times {\mathrm{617}}^1\times {\mathrm{5479}}^1$

素因数の和:6107

約数の個数: 32

約数和(自身を含む): 304797600

約数和(自身を除く): 169575880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 617, 1234, 2468, 3085, 4936, 5479, 6170, 10958, 12340, 21916, 24680, 27395, 43832, 54790, 109580, 219160, 3380543, 6761086, 13522172, 16902715, 27044344, 33805430, 67610860, 135221720]

約数ペア:

[(1, 135221720), (2, 67610860), (4, 33805430), (5, 27044344), (8, 16902715), (10, 13522172), (20, 6761086), (40, 3380543), (617, 219160), (1234, 109580), (2468, 54790), (3085, 43832), (4936, 27395), (5479, 24680), (6170, 21916), (10958, 12340)]