ProjectEuler #12

gistfile1.rb

require "prime"

count = 501
tri_num = 0
div = Array.new
num = 0

loop do
  num += 1
  tri_num += num
  div = tri_num.prime_division
  div_count = 1
  div.each do |i|
    div_count = div_count * (i[1]+1)
  end
  if div_count >= count 
    p tri_num 
    break
  end
end