n=2
k=0
k1=0
k2=0
p=true
record=0

#number of divisors:
d=500

puts "Time started #{Time.now} looking for first triangle number with at least #{d} divisors"

while p==true do
  i=1
  triangle_n = n*(n+1)/2
  k=0
  while i<= n do
    k+=1 if n % i == 0
    i+=1
  end
  
  if n % 2 == 0 then
    k1=k
    #k=0
  else
    k2=k
    #k=0
  end
  #puts "(triangle,n,k,k1,k2) (#{triangle_n},#{n},#{k},#{k1},#{k2})"
  
  puts "Triangle number #{n+1} is #{triangle_n+n+1} and has #{k1+k2} divisors" if k1+k2>=d
  p=false if k1+k2>=d

  puts "Time finished #{Time.now}" if k1+k2>=d

  n+=1
end