Practice30 Create account

Add up the odd factors of 360. What is the sum?

Competition practiceNumber System, HCF & LCM

A1170
B78
C1092
D45

Step-by-Step Solution

The odd part of

360 = 2^{3} \times 3^{2} \times 5

is 45. Sum of its factors

= (1 + 3 + 9) (1 + 5) = 78

.

Answer: B) 78

Master this topic in 30 minutes a day.

Don't just memorise the answer — build a daily practice habit.

Practice 5 Similar Questions Free →

All Number System, HCF & LCM practice questions

More Number System, HCF & LCM practice

How many factors of 2^4 × 3^5 × 7^2 are perfect squares?Which is the smallest natural number having exactly 10 factors?Multiply together the distinct prime factors of 4620. What product do you get?How many prime factors are there in total in 6^10 × 7^17 × 55^27?How many zeros are there at the end of the product 5 × 10 × 15 × 20 × … × 100?