77220840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{643507}}^1$

素因数の和:643521

約数の個数: 32

約数和(自身を含む): 231662880

約数和(自身を除く): 154442040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 643507, 1287014, 1930521, 2574028, 3217535, 3861042, 5148056, 6435070, 7722084, 9652605, 12870140, 15444168, 19305210, 25740280, 38610420, 77220840]

約数ペア:

[(1, 77220840), (2, 38610420), (3, 25740280), (4, 19305210), (5, 15444168), (6, 12870140), (8, 9652605), (10, 7722084), (12, 6435070), (15, 5148056), (20, 3861042), (24, 3217535), (30, 2574028), (40, 1930521), (60, 1287014), (120, 643507)]