77891820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1298197}}^1$

素因数の和:1298209

約数の個数: 24

約数和(自身を含む): 218097264

約数和(自身を除く): 140205444

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1298197, 2596394, 3894591, 5192788, 6490985, 7789182, 12981970, 15578364, 19472955, 25963940, 38945910, 77891820]

約数ペア:

[(1, 77891820), (2, 38945910), (3, 25963940), (4, 19472955), (5, 15578364), (6, 12981970), (10, 7789182), (12, 6490985), (15, 5192788), (20, 3894591), (30, 2596394), (60, 1298197)]