81588420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{453269}}^1$

素因数の和:453284

約数の個数: 36

約数和(自身を含む): 247485420

約数和(自身を除く): 165897000

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 453269, 906538, 1359807, 1813076, 2266345, 2719614, 4079421, 4532690, 5439228, 6799035, 8158842, 9065380, 13598070, 16317684, 20397105, 27196140, 40794210, 81588420]

約数ペア:

[(1, 81588420), (2, 40794210), (3, 27196140), (4, 20397105), (5, 16317684), (6, 13598070), (9, 9065380), (10, 8158842), (12, 6799035), (15, 5439228), (18, 4532690), (20, 4079421), (30, 2719614), (36, 2266345), (45, 1813076), (60, 1359807), (90, 906538), (180, 453269)]