600

Number
$600$ (six hundred) is:


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


 * The $38$th highly abundant number after $1$, $2$, $3$, $4$, $6$, $8$, $10$, $\ldots$, $120$, $144$, $168$, $180$, $210$, $216$, $240$, $288$, $300$, $336$, $360$, $420$, $480$, $504$:
 * $\map {\sigma_1} {600} = 1860$