12657780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{70321}}^1$

素因数の和:70336

約数の個数: 36

約数和(自身を含む): 38395812

約数和(自身を除く): 25738032

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 70321, 140642, 210963, 281284, 351605, 421926, 632889, 703210, 843852, 1054815, 1265778, 1406420, 2109630, 2531556, 3164445, 4219260, 6328890, 12657780]

約数ペア:

[(1, 12657780), (2, 6328890), (3, 4219260), (4, 3164445), (5, 2531556), (6, 2109630), (9, 1406420), (10, 1265778), (12, 1054815), (15, 843852), (18, 703210), (20, 632889), (30, 421926), (36, 351605), (45, 281284), (60, 210963), (90, 140642), (180, 70321)]