The factors of the number 3,276,240 are: 1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 17, 20, 22, 24, 30, 33, 34, 40, 44, 48, 51, 55, 60, 66, 68, 73, 80, 85, 88, 102, 110, 120, 132, 136, 146, 165, 170, 176, 187, 204, 219, 220, 240, 255, 264, 272, 292, 330, 340, 365, 374, 408, 438, 440, 510, 528, 561, 584, 660, 680, 730, 748, 803, 816, 876, 880, 935, 1020, 1095, 1122, 1168, 1241, 1320, 1360, 1460, 1496, 1606, 1752, 1870, 2040, 2190, 2244, 2409, 2482, 2640, 2805, 2920, 2992, 3212, 3504, 3723, 3740, 4015, 4080, 4380, 4488, 4818, 4964, 5610, 5840, 6205, 6424, 7446, 7480, 8030, 8760, 8976, 9636, 9928, 11220, 12045, 12410, 12848, 13651, 14892, 14960, 16060, 17520, 18615, 19272, 19856, 22440, 24090, 24820, 27302, 29784, 32120, 37230, 38544, 40953, 44880, 48180, 49640, 54604, 59568, 64240, 68255, 74460, 81906, 96360, 99280, 109208, 136510, 148920, 163812, 192720, 204765, 218416, 273020, 297840, 327624, 409530, 546040, 655248, 819060, 1092080, 1638120, 3276240.
If you add them up, you will get the total of 11,892,096.