12815940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{213599}}^1$

素因数の和:213611

約数の個数: 24

約数和(自身を含む): 35884800

約数和(自身を除く): 23068860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 213599, 427198, 640797, 854396, 1067995, 1281594, 2135990, 2563188, 3203985, 4271980, 6407970, 12815940]

約数ペア:

[(1, 12815940), (2, 6407970), (3, 4271980), (4, 3203985), (5, 2563188), (6, 2135990), (10, 1281594), (12, 1067995), (15, 854396), (20, 640797), (30, 427198), (60, 213599)]