The factors of the number 6,081,240 are: 1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 17, 20, 22, 24, 30, 33, 34, 40, 44, 51, 55, 60, 66, 68, 85, 88, 102, 110, 120, 132, 136, 165, 170, 187, 204, 220, 255, 264, 271, 330, 340, 374, 408, 440, 510, 542, 561, 660, 680, 748, 813, 935, 1020, 1084, 1122, 1320, 1355, 1496, 1626, 1870, 2040, 2168, 2244, 2710, 2805, 2981, 3252, 3740, 4065, 4488, 4607, 5420, 5610, 5962, 6504, 7480, 8130, 8943, 9214, 10840, 11220, 11924, 13821, 14905, 16260, 17886, 18428, 22440, 23035, 23848, 27642, 29810, 32520, 35772, 36856, 44715, 46070, 50677, 55284, 59620, 69105, 71544, 89430, 92140, 101354, 110568, 119240, 138210, 152031, 178860, 184280, 202708, 253385, 276420, 304062, 357720, 405416, 506770, 552840, 608124, 760155, 1013540, 1216248, 1520310, 2027080, 3040620, 6081240.
If you add them up, you will get the total of 6,081,255. Now subtract 6,081,240 to get 15,069,480