CT 4: Multiple & Factor

1.What is the sum of all the factors of 56 ? 

2. Which of the following is not a factor of 3630?

3. How many of the following numbers are divisible by 132?

660, 754, 924, 1452, 1526, 1980, 2045 and 2170 

4. Which number is one less than the sum of all the prime factors of 2310? 

5. The number of perfect cube factors of 16 × 3⁶ × 5¹⁰ is:  

6.  is equal to:

7. The sum of the distinct prime factors of 9⁶ × 12⁴ × 7⁷ is:

8. Find the total number of factors of 243³ - 99³ - 144³.

9. What should be multiplied by 864 to make it perfect square?

10. The sum of all the factors of 96 is