51720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{431}}^1$

素因数の和:445

約数の個数: 32

約数和(自身を含む): 155520

約数和(自身を除く): 103800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 431, 862, 1293, 1724, 2155, 2586, 3448, 4310, 5172, 6465, 8620, 10344, 12930, 17240, 25860, 51720]

約数ペア:

[(1, 51720), (2, 25860), (3, 17240), (4, 12930), (5, 10344), (6, 8620), (8, 6465), (10, 5172), (12, 4310), (15, 3448), (20, 2586), (24, 2155), (30, 1724), (40, 1293), (60, 862), (120, 431)]