648840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{5407}}^1$

素因数の和:5421

約数の個数: 32

約数和(自身を含む): 1946880

約数和(自身を除く): 1298040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 5407, 10814, 16221, 21628, 27035, 32442, 43256, 54070, 64884, 81105, 108140, 129768, 162210, 216280, 324420, 648840]

約数ペア:

[(1, 648840), (2, 324420), (3, 216280), (4, 162210), (5, 129768), (6, 108140), (8, 81105), (10, 64884), (12, 54070), (15, 43256), (20, 32442), (24, 27035), (30, 21628), (40, 16221), (60, 10814), (120, 5407)]