About 144: Clubs: Square Club, Super Rectangles Club, Super Duper Rectangles Club, Made of Ones, Even Tops, Three Club, Square with a Hole, One Hundreds, Forties and Four Enders. Factors: (15 factors in total) 1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72 and 144. The sum of 144 is 403.
