CAT
Exam
Finf the sum of all whole nmbr divisor of 720
Read Solution (Total 2)
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- prime factorization of 720= 2^4 .3^2.5^1
= (1+2+4+8+16) (1+3+9) (1+5)=2418
- 11 years agoHelpfull: Yes(13) No(0)
- factors of 720 are 2^4,3^2,5^1
thus sum of 720 will be
(2^0+2^1+2^3+2^4)*(3^0+3^1+3^2)*(5^0+5^1)=2418 - 11 years agoHelpfull: Yes(1) No(1)
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