287145720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{797627}}^1$

素因数の和:797644

約数の個数: 48

約数和(自身を含む): 933224760

約数和(自身を除く): 646079040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 797627, 1595254, 2392881, 3190508, 3988135, 4785762, 6381016, 7178643, 7976270, 9571524, 11964405, 14357286, 15952540, 19143048, 23928810, 28714572, 31905080, 35893215, 47857620, 57429144, 71786430, 95715240, 143572860, 287145720]

約数ペア:

[(1, 287145720), (2, 143572860), (3, 95715240), (4, 71786430), (5, 57429144), (6, 47857620), (8, 35893215), (9, 31905080), (10, 28714572), (12, 23928810), (15, 19143048), (18, 15952540), (20, 14357286), (24, 11964405), (30, 9571524), (36, 7976270), (40, 7178643), (45, 6381016), (60, 4785762), (72, 3988135), (90, 3190508), (120, 2392881), (180, 1595254), (360, 797627)]