77243640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{643697}}^1$

素因数の和:643711

約数の個数: 32

約数和(自身を含む): 231731280

約数和(自身を除く): 154487640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 643697, 1287394, 1931091, 2574788, 3218485, 3862182, 5149576, 6436970, 7724364, 9655455, 12873940, 15448728, 19310910, 25747880, 38621820, 77243640]

約数ペア:

[(1, 77243640), (2, 38621820), (3, 25747880), (4, 19310910), (5, 15448728), (6, 12873940), (8, 9655455), (10, 7724364), (12, 6436970), (15, 5149576), (20, 3862182), (24, 3218485), (30, 2574788), (40, 1931091), (60, 1287394), (120, 643697)]