81545220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{453029}}^1$

素因数の和:453044

約数の個数: 36

約数和(自身を含む): 247354380

約数和(自身を除く): 165809160

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 453029, 906058, 1359087, 1812116, 2265145, 2718174, 4077261, 4530290, 5436348, 6795435, 8154522, 9060580, 13590870, 16309044, 20386305, 27181740, 40772610, 81545220]

約数ペア:

[(1, 81545220), (2, 40772610), (3, 27181740), (4, 20386305), (5, 16309044), (6, 13590870), (9, 9060580), (10, 8154522), (12, 6795435), (15, 5436348), (18, 4530290), (20, 4077261), (30, 2718174), (36, 2265145), (45, 1812116), (60, 1359087), (90, 906058), (180, 453029)]