The prime factorization of 2160 is $2^4 \times 3^3 \times 5$. How many of its positive integer factors are perfect squares?
Question:
The prime factorization of 2160 is $2^4 \times 3^3 \times 5$. How many of its positive integer factors are perfect squares?
Answer:
Let's think step by step.

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The prime factorization of 2160 is $2^4 \times 3^3 \times 5$. How many of its positive integer factors are perfect squares?
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