The factors of the number 1,609,080 are: 1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 23, 24, 30, 33, 40, 44, 46, 53, 55, 60, 66, 69, 88, 92, 106, 110, 115, 120, 132, 138, 159, 165, 184, 212, 220, 230, 253, 264, 265, 276, 318, 330, 345, 424, 440, 460, 506, 530, 552, 583, 636, 660, 690, 759, 795, 920, 1012, 1060, 1166, 1219, 1265, 1272, 1320, 1380, 1518, 1590, 1749, 2024, 2120, 2332, 2438, 2530, 2760, 2915, 3036, 3180, 3498, 3657, 3795, 4664, 4876, 5060, 5830, 6072, 6095, 6360, 6996, 7314, 7590, 8745, 9752, 10120, 11660, 12190, 13409, 13992, 14628, 15180, 17490, 18285, 23320, 24380, 26818, 29256, 30360, 34980, 36570, 40227, 48760, 53636, 67045, 69960, 73140, 80454, 107272, 134090, 146280, 160908, 201135, 268180, 321816, 402270, 536360, 804540, 1609080.
If you add them up, you will get the total of 1,609,083. Now subtract 1,609,080 to get 3,989,640