78457980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1307633}}^1$

素因数の和:1307645

約数の個数: 24

約数和(自身を含む): 219682512

約数和(自身を除く): 141224532

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1307633, 2615266, 3922899, 5230532, 6538165, 7845798, 13076330, 15691596, 19614495, 26152660, 39228990, 78457980]

約数ペア:

[(1, 78457980), (2, 39228990), (3, 26152660), (4, 19614495), (5, 15691596), (6, 13076330), (10, 7845798), (12, 6538165), (15, 5230532), (20, 3922899), (30, 2615266), (60, 1307633)]