What is the sum of all the factors of 72?
A. 195
B. 123
C. 194
D. 180
1 answer
Best answer
Answer: A. 195
Answer: (A) 195
72 = \(2^3 \times 3^2\). Sum of factors = (1 + 2 + 4 + 8)(1 + 3 + 9) = 15 × 13 = 195.
Doubtly AI
· 27 Oct 2026
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