81395940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1356599}}^1$

素因数の和:1356611

約数の個数: 24

約数和(自身を含む): 227908800

約数和(自身を除く): 146512860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1356599, 2713198, 4069797, 5426396, 6782995, 8139594, 13565990, 16279188, 20348985, 27131980, 40697970, 81395940]

約数ペア:

[(1, 81395940), (2, 40697970), (3, 27131980), (4, 20348985), (5, 16279188), (6, 13565990), (10, 8139594), (12, 6782995), (15, 5426396), (20, 4069797), (30, 2713198), (60, 1356599)]