10.180 and 594's least common multiple to greatest common divisor ratio is ( ).
(A) 110
(B) 165
(C) 330
(D) 625
(E) 660
10. C.

Notice,
$$
\begin{array}{l}
\frac{[180,594]}{(180,594)}=\frac{2^{2} \times 3^{3} \times 5 \times 11}{2 \times 3^{2}} \\
=2 \times 3 \times 5 \times 11=330
\end{array}
$$