Answer:
Your answer is:
60= 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60
72= 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72
84= 1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84
90= 1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90
96= 1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96
The second-highest number of factors are 48 and 80, containing 10 factors each.