71388180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{396601}}^1$

素因数の和:396616

約数の個数: 36

約数和(自身を含む): 216544692

約数和(自身を除く): 145156512

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 396601, 793202, 1189803, 1586404, 1983005, 2379606, 3569409, 3966010, 4759212, 5949015, 7138818, 7932020, 11898030, 14277636, 17847045, 23796060, 35694090, 71388180]

約数ペア:

[(1, 71388180), (2, 35694090), (3, 23796060), (4, 17847045), (5, 14277636), (6, 11898030), (9, 7932020), (10, 7138818), (12, 5949015), (15, 4759212), (18, 3966010), (20, 3569409), (30, 2379606), (36, 1983005), (45, 1586404), (60, 1189803), (90, 793202), (180, 396601)]