8421780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{140363}}^1$

素因数の和:140375

約数の個数: 24

約数和(自身を含む): 23581152

約数和(自身を除く): 15159372

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 140363, 280726, 421089, 561452, 701815, 842178, 1403630, 1684356, 2105445, 2807260, 4210890, 8421780]

約数ペア:

[(1, 8421780), (2, 4210890), (3, 2807260), (4, 2105445), (5, 1684356), (6, 1403630), (10, 842178), (12, 701815), (15, 561452), (20, 421089), (30, 280726), (60, 140363)]