81361620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{452009}}^1$

素因数の和:452024

約数の個数: 36

約数和(自身を含む): 246797460

約数和(自身を除く): 165435840

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 452009, 904018, 1356027, 1808036, 2260045, 2712054, 4068081, 4520090, 5424108, 6780135, 8136162, 9040180, 13560270, 16272324, 20340405, 27120540, 40680810, 81361620]

約数ペア:

[(1, 81361620), (2, 40680810), (3, 27120540), (4, 20340405), (5, 16272324), (6, 13560270), (9, 9040180), (10, 8136162), (12, 6780135), (15, 5424108), (18, 4520090), (20, 4068081), (30, 2712054), (36, 2260045), (45, 1808036), (60, 1356027), (90, 904018), (180, 452009)]