Question
Question: The no. of all odd proper positive divisors of 1800 is...
The no. of all odd proper positive divisors of 1800 is
A
9
B
8
C
7
D
6
Answer
8
Explanation
Solution
1800 = 23 x 32 x 52
No. of odd proper divisors = (2+1) (2+1) …… (1)
= 8.