12438420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{207307}}^1$

素因数の和:207319

約数の個数: 24

約数和(自身を含む): 34827744

約数和(自身を除く): 22389324

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 207307, 414614, 621921, 829228, 1036535, 1243842, 2073070, 2487684, 3109605, 4146140, 6219210, 12438420]

約数ペア:

[(1, 12438420), (2, 6219210), (3, 4146140), (4, 3109605), (5, 2487684), (6, 2073070), (10, 1243842), (12, 1036535), (15, 829228), (20, 621921), (30, 414614), (60, 207307)]