77321820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1288697}}^1$

素因数の和:1288709

約数の個数: 24

約数和(自身を含む): 216501264

約数和(自身を除く): 139179444

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1288697, 2577394, 3866091, 5154788, 6443485, 7732182, 12886970, 15464364, 19330455, 25773940, 38660910, 77321820]

約数ペア:

[(1, 77321820), (2, 38660910), (3, 25773940), (4, 19330455), (5, 15464364), (6, 12886970), (10, 7732182), (12, 6443485), (15, 5154788), (20, 3866091), (30, 2577394), (60, 1288697)]