1284128220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{21402137}}^1$

素因数の和:21402149

約数の個数: 24

約数和(自身を含む): 3595559184

約数和(自身を除く): 2311430964

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 21402137, 42804274, 64206411, 85608548, 107010685, 128412822, 214021370, 256825644, 321032055, 428042740, 642064110, 1284128220]

約数ペア:

[(1, 1284128220), (2, 642064110), (3, 428042740), (4, 321032055), (5, 256825644), (6, 214021370), (10, 128412822), (12, 107010685), (15, 85608548), (20, 64206411), (30, 42804274), (60, 21402137)]