12820140

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{23741}}^1$

素因数の和:23759

約数の個数: 48

約数和(自身を含む): 39886560

約数和(自身を除く): 27066420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 23741, 47482, 71223, 94964, 118705, 142446, 213669, 237410, 284892, 356115, 427338, 474820, 641007, 712230, 854676, 1068345, 1282014, 1424460, 2136690, 2564028, 3205035, 4273380, 6410070, 12820140]

約数ペア:

[(1, 12820140), (2, 6410070), (3, 4273380), (4, 3205035), (5, 2564028), (6, 2136690), (9, 1424460), (10, 1282014), (12, 1068345), (15, 854676), (18, 712230), (20, 641007), (27, 474820), (30, 427338), (36, 356115), (45, 284892), (54, 237410), (60, 213669), (90, 142446), (108, 118705), (135, 94964), (180, 71223), (270, 47482), (540, 23741)]