CEMC Pascal, 2009

Number theory Difficulty 3.0 AMC 10/12 Find the answer Canada

Different positive integers can be written in the eight empty circles so that the product of any three integers in a straight line is 3240. What is the largest possible sum of the eight numbers surrounding 45?

(A) $139$ (B) $211$ (C) $156$ (D) $159$ (E) $160$

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