30,240

Number
$30 \, 240$ (thirty thousand, two hundred and forty) is:


 * $2^5 \times 3^3 \times 5 \times 7$


 * The $1$st quadruply perfect number:
 * $\map {\sigma_1} {30 \, 240} = 120 \, 960 = 4 \times 30 \, 240$