81966540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1366109}}^1$

素因数の和:1366121

約数の個数: 24

約数和(自身を含む): 229506480

約数和(自身を除く): 147539940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1366109, 2732218, 4098327, 5464436, 6830545, 8196654, 13661090, 16393308, 20491635, 27322180, 40983270, 81966540]

約数ペア:

[(1, 81966540), (2, 40983270), (3, 27322180), (4, 20491635), (5, 16393308), (6, 13661090), (10, 8196654), (12, 6830545), (15, 5464436), (20, 4098327), (30, 2732218), (60, 1366109)]