77857980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1297633}}^1$

素因数の和:1297645

約数の個数: 24

約数和(自身を含む): 218002512

約数和(自身を除く): 140144532

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1297633, 2595266, 3892899, 5190532, 6488165, 7785798, 12976330, 15571596, 19464495, 25952660, 38928990, 77857980]

約数ペア:

[(1, 77857980), (2, 38928990), (3, 25952660), (4, 19464495), (5, 15571596), (6, 12976330), (10, 7785798), (12, 6488165), (15, 5190532), (20, 3892899), (30, 2595266), (60, 1297633)]