3600 : 48 = 75
3600 * 48 = 172800
3600 : 24 = 150
3600 * 24 = 86400
3600 : 15 = 240
3600 * 15 = 54000
3600 : 10 = 360
3600 * 10 = 36000
3600 : 5 = 720
3600 * 5 = 18000