256219020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1423439}}^1$

素因数の和:1423454

約数の個数: 36

約数和(自身を含む): 777198240

約数和(自身を除く): 520979220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1423439, 2846878, 4270317, 5693756, 7117195, 8540634, 12810951, 14234390, 17081268, 21351585, 25621902, 28468780, 42703170, 51243804, 64054755, 85406340, 128109510, 256219020]

約数ペア:

[(1, 256219020), (2, 128109510), (3, 85406340), (4, 64054755), (5, 51243804), (6, 42703170), (9, 28468780), (10, 25621902), (12, 21351585), (15, 17081268), (18, 14234390), (20, 12810951), (30, 8540634), (36, 7117195), (45, 5693756), (60, 4270317), (90, 2846878), (180, 1423439)]