127721820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{2128697}}^1$

素因数の和:2128709

約数の個数: 24

約数和(自身を含む): 357621264

約数和(自身を除く): 229899444

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 2128697, 4257394, 6386091, 8514788, 10643485, 12772182, 21286970, 25544364, 31930455, 42573940, 63860910, 127721820]

約数ペア:

[(1, 127721820), (2, 63860910), (3, 42573940), (4, 31930455), (5, 25544364), (6, 21286970), (10, 12772182), (12, 10643485), (15, 8514788), (20, 6386091), (30, 4257394), (60, 2128697)]