81916740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{455093}}^1$

素因数の和:455108

約数の個数: 36

約数和(自身を含む): 248481324

約数和(自身を除く): 166564584

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 455093, 910186, 1365279, 1820372, 2275465, 2730558, 4095837, 4550930, 5461116, 6826395, 8191674, 9101860, 13652790, 16383348, 20479185, 27305580, 40958370, 81916740]

約数ペア:

[(1, 81916740), (2, 40958370), (3, 27305580), (4, 20479185), (5, 16383348), (6, 13652790), (9, 9101860), (10, 8191674), (12, 6826395), (15, 5461116), (18, 4550930), (20, 4095837), (30, 2730558), (36, 2275465), (45, 1820372), (60, 1365279), (90, 910186), (180, 455093)]