81577620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{453209}}^1$

素因数の和:453224

約数の個数: 36

約数和(自身を含む): 247452660

約数和(自身を除く): 165875040

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 453209, 906418, 1359627, 1812836, 2266045, 2719254, 4078881, 4532090, 5438508, 6798135, 8157762, 9064180, 13596270, 16315524, 20394405, 27192540, 40788810, 81577620]

約数ペア:

[(1, 81577620), (2, 40788810), (3, 27192540), (4, 20394405), (5, 16315524), (6, 13596270), (9, 9064180), (10, 8157762), (12, 6798135), (15, 5438508), (18, 4532090), (20, 4078881), (30, 2719254), (36, 2266045), (45, 1812836), (60, 1359627), (90, 906418), (180, 453209)]