how many ordered pairs of positive integers（m,n）satisfy the equat_数学解答

how many ordered pairs of positive integers（m,n）satisfy the equation m/6=6/m
a:7 b:8 c:9 d:10

人气：138 ℃　时间：2020-04-26 05:59:32

解答

c:9
mn=36
1 36
2 18
3 12
4 9
6 6
9 4
12 3
18 2
36 1