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=1
  
  while i<= n/2 do
    k+=1 if n % i == 0
    i+=1
  end
  
  if k>record then record=k;puts record end

  if n % 2 == 0 then
    k1=k
  else
    k2=k
  end
  
  

  puts "Triangle number #{n+1} is #{triangle_n+n+1} and has #{k1+k2} divisors" if k1+k2>=d
  break if k1+k2>=d

  puts "Time finished #{Time.now}" if k1+k2>=d
  
  n+=1
end