641272020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{10687867}}^1$

素因数の和:10687879

約数の個数: 24

約数和(自身を含む): 1795561824

約数和(自身を除く): 1154289804

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 10687867, 21375734, 32063601, 42751468, 53439335, 64127202, 106878670, 128254404, 160318005, 213757340, 320636010, 641272020]

約数ペア:

[(1, 641272020), (2, 320636010), (3, 213757340), (4, 160318005), (5, 128254404), (6, 106878670), (10, 64127202), (12, 53439335), (15, 42751468), (20, 32063601), (30, 21375734), (60, 10687867)]