81108180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{450601}}^1$

素因数の和:450616

約数の個数: 36

約数和(自身を含む): 246028692

約数和(自身を除く): 164920512

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 450601, 901202, 1351803, 1802404, 2253005, 2703606, 4055409, 4506010, 5407212, 6759015, 8110818, 9012020, 13518030, 16221636, 20277045, 27036060, 40554090, 81108180]

約数ペア:

[(1, 81108180), (2, 40554090), (3, 27036060), (4, 20277045), (5, 16221636), (6, 13518030), (9, 9012020), (10, 8110818), (12, 6759015), (15, 5407212), (18, 4506010), (20, 4055409), (30, 2703606), (36, 2253005), (45, 1802404), (60, 1351803), (90, 901202), (180, 450601)]