81663180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1361053}}^1$

素因数の和:1361065

約数の個数: 24

約数和(自身を含む): 228657072

約数和(自身を除く): 146993892

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1361053, 2722106, 4083159, 5444212, 6805265, 8166318, 13610530, 16332636, 20415795, 27221060, 40831590, 81663180]

約数ペア:

[(1, 81663180), (2, 40831590), (3, 27221060), (4, 20415795), (5, 16332636), (6, 13610530), (10, 8166318), (12, 6805265), (15, 5444212), (20, 4083159), (30, 2722106), (60, 1361053)]