81996900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{273323}}^1$

素因数の和:273340

約数の個数: 36

約数和(自身を含む): 237245232

約数和(自身を除く): 155248332

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 300, 273323, 546646, 819969, 1093292, 1366615, 1639938, 2733230, 3279876, 4099845, 5466460, 6833075, 8199690, 13666150, 16399380, 20499225, 27332300, 40998450, 81996900]

約数ペア:

[(1, 81996900), (2, 40998450), (3, 27332300), (4, 20499225), (5, 16399380), (6, 13666150), (10, 8199690), (12, 6833075), (15, 5466460), (20, 4099845), (25, 3279876), (30, 2733230), (50, 1639938), (60, 1366615), (75, 1093292), (100, 819969), (150, 546646), (300, 273323)]