There are an infinite number of highly composite numbers, and the first few are 1, 2, 4, 6, 12, 24, 36, 48, 60, 120, 180, 240, 360, 720, 840, 1260, 1680, 2520, 5040, ... (OEIS A002182). The corresponding numbers of divisors are 1, 2, 3, 4, 6, 8, 9, 10, 12, 16, 18, 20, 24, 30, 32, ... (OEIS A002183).
Clackamas County Population 2018 Clackamas County's estimated population is 408,062 with a growth rate of 1.72% in the past year according to the most recent United States census data. Clackamas County is the 3rd largest county in Oregon.
Multnomah County registered more than 10,000 new residents, growing to an estimated population of 776,712, the Census Bureau said. This isn't the fastest growth the region has experienced, said Risa Proehl, population estimates manager at the Portland State University Population Research Center.