They got it done in the first half against an Oakland Raiders defense that had been giving up only 20.5 points a game.
The New England Patriots held the record with 589 points in 2007. When Manning connected with Demaryius Thomas on a 63-yard touchdown play in the second quarter, the Broncos had eclipsed the mark by four points in extending their lead to 21-0 over Oakland. Denver eventually built a 31-0 lead by halftime.
Here are the top six teams with the most points in a season:
Denver Broncos (603 and counting in 2013); New England Patriots (589 in 2007); Green Bay Packers (560 in 2011); Patriots (557 in 2012); Minnesota Vikings (556 in 1998); New Orleans Saints (547 in 2011).