Isenbarger was just 3-of-14 shooting and 1 of 9 from 3-point range but was a perfect 8 for 8 from the foul line. Troutman hit 6 of 12 from the field and also pulled down eight rebounds with three steals and two assists.
Connor Boehm led the Big Green (2-4) with 12 points and 12 rebounds, both season highs for the freshman as he posted his first double-double.
Elon opened on a 7-0 run, capped by Beaumont's trey, and led 34-21 at halftime. The Phoenix opened the second half on a 10-0 run en route to the rout.
Florida State's student government has passed a resolution discouraging Seminoles fans from wearing Native American headdresses at games.
The second annual Gavitt Tipoff Games, eight games between members of the Big East and Big Ten to be played Nov. 14-18, will feature Villanova at Purdue in the opener.
Michael Lewis is leaving his assistant coaching job at Butler to take the same position at Nebraska under Tim Miles.