15180220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{69001}}^1$

素因数の和:69021

約数の個数: 24

約数和(自身を含む): 34777008

約数和(自身を除く): 19596788

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 69001, 138002, 276004, 345005, 690010, 759011, 1380020, 1518022, 3036044, 3795055, 7590110, 15180220]

約数ペア:

[(1, 15180220), (2, 7590110), (4, 3795055), (5, 3036044), (10, 1518022), (11, 1380020), (20, 759011), (22, 690010), (44, 345005), (55, 276004), (110, 138002), (220, 69001)]