55905780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{133109}}^1$

素因数の和:133128

約数の個数: 48

約数和(自身を含む): 178899840

約数和(自身を除く): 122994060

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 133109, 266218, 399327, 532436, 665545, 798654, 931763, 1331090, 1597308, 1863526, 1996635, 2662180, 2795289, 3727052, 3993270, 4658815, 5590578, 7986540, 9317630, 11181156, 13976445, 18635260, 27952890, 55905780]

約数ペア:

[(1, 55905780), (2, 27952890), (3, 18635260), (4, 13976445), (5, 11181156), (6, 9317630), (7, 7986540), (10, 5590578), (12, 4658815), (14, 3993270), (15, 3727052), (20, 2795289), (21, 2662180), (28, 1996635), (30, 1863526), (35, 1597308), (42, 1331090), (60, 931763), (70, 798654), (84, 665545), (105, 532436), (140, 399327), (210, 266218), (420, 133109)]