51780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{863}}^1$

素因数の和:875

約数の個数: 24

約数和(自身を含む): 145152

約数和(自身を除く): 93372

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 863, 1726, 2589, 3452, 4315, 5178, 8630, 10356, 12945, 17260, 25890, 51780]

約数ペア:

[(1, 51780), (2, 25890), (3, 17260), (4, 12945), (5, 10356), (6, 8630), (10, 5178), (12, 4315), (15, 3452), (20, 2589), (30, 1726), (60, 863)]