66720840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{556007}}^1$

素因数の和:556021

約数の個数: 32

約数和(自身を含む): 200162880

約数和(自身を除く): 133442040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 556007, 1112014, 1668021, 2224028, 2780035, 3336042, 4448056, 5560070, 6672084, 8340105, 11120140, 13344168, 16680210, 22240280, 33360420, 66720840]

約数ペア:

[(1, 66720840), (2, 33360420), (3, 22240280), (4, 16680210), (5, 13344168), (6, 11120140), (8, 8340105), (10, 6672084), (12, 5560070), (15, 4448056), (20, 3336042), (24, 2780035), (30, 2224028), (40, 1668021), (60, 1112014), (120, 556007)]