8160420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{277}}^1\times {\mathrm{491}}^1$

素因数の和:780

約数の個数: 48

約数和(自身を含む): 22978368

約数和(自身を除く): 14817948

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 277, 491, 554, 831, 982, 1108, 1385, 1473, 1662, 1964, 2455, 2770, 2946, 3324, 4155, 4910, 5540, 5892, 7365, 8310, 9820, 14730, 16620, 29460, 136007, 272014, 408021, 544028, 680035, 816042, 1360070, 1632084, 2040105, 2720140, 4080210, 8160420]

約数ペア:

[(1, 8160420), (2, 4080210), (3, 2720140), (4, 2040105), (5, 1632084), (6, 1360070), (10, 816042), (12, 680035), (15, 544028), (20, 408021), (30, 272014), (60, 136007), (277, 29460), (491, 16620), (554, 14730), (831, 9820), (982, 8310), (1108, 7365), (1385, 5892), (1473, 5540), (1662, 4910), (1964, 4155), (2455, 3324), (2770, 2946)]