12856980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{214283}}^1$

素因数の和:214295

約数の個数: 24

約数和(自身を含む): 35999712

約数和(自身を除く): 23142732

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 214283, 428566, 642849, 857132, 1071415, 1285698, 2142830, 2571396, 3214245, 4285660, 6428490, 12856980]

約数ペア:

[(1, 12856980), (2, 6428490), (3, 4285660), (4, 3214245), (5, 2571396), (6, 2142830), (10, 1285698), (12, 1071415), (15, 857132), (20, 642849), (30, 428566), (60, 214283)]