Count the positive factors of x^py^qz^r

positive factors = (p+1)+(q+1)+(r+1)

positive factors of 2⁵3⁶7⁵

= (5+1)+(6+1)+(5+1) = 6+7+6= 19

Task: Count the positive factors of  72560

For details, see the video https://youtu.be/b6lbcfMcaF4