221555640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{1846297}}^1$

素因数の和:1846311

約数の個数: 32

約数和(自身を含む): 664667280

約数和(自身を除く): 443111640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1846297, 3692594, 5538891, 7385188, 9231485, 11077782, 14770376, 18462970, 22155564, 27694455, 36925940, 44311128, 55388910, 73851880, 110777820, 221555640]

約数ペア:

[(1, 221555640), (2, 110777820), (3, 73851880), (4, 55388910), (5, 44311128), (6, 36925940), (8, 27694455), (10, 22155564), (12, 18462970), (15, 14770376), (20, 11077782), (24, 9231485), (30, 7385188), (40, 5538891), (60, 3692594), (120, 1846297)]