12960780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{30859}}^1$

素因数の和:30878

約数の個数: 48

約数和(自身を含む): 41475840

約数和(自身を除く): 28515060

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, 30859, 61718, 92577, 123436, 154295, 185154, 216013, 308590, 370308, 432026, 462885, 617180, 648039, 864052, 925770, 1080065, 1296078, 1851540, 2160130, 2592156, 3240195, 4320260, 6480390, 12960780]

約数ペア:

[(1, 12960780), (2, 6480390), (3, 4320260), (4, 3240195), (5, 2592156), (6, 2160130), (7, 1851540), (10, 1296078), (12, 1080065), (14, 925770), (15, 864052), (20, 648039), (21, 617180), (28, 462885), (30, 432026), (35, 370308), (42, 308590), (60, 216013), (70, 185154), (84, 154295), (105, 123436), (140, 92577), (210, 61718), (420, 30859)]