How many ordered pairs of positive integers (m,n)

LCM of 90 and 8 = 360
GCD of 90 and 8 = 2
LCM of 72 and 10 = 360
GCD of 72 and 10 = 2
LCM of 40 and 18 = 360
GCD of 40 and 18 = 2
LCM of 18 and 40 = 360
GCD of 18 and 40 = 2
LCM of 10 and 72 = 360
GCD of 10 and 72 = 2
LCM of 8 and 90 = 360
GCD of 8 and 90 = 2