The factors of the number 3,286,440 are: 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 27, 30, 34, 36, 40, 45, 51, 54, 60, 68, 72, 85, 90, 102, 108, 120, 135, 136, 153, 170, 179, 180, 204, 216, 255, 270, 306, 340, 358, 360, 408, 459, 510, 537, 540, 612, 680, 716, 765, 895, 918, 1020, 1074, 1080, 1224, 1432, 1530, 1611, 1790, 1836, 2040, 2148, 2295, 2685, 3043, 3060, 3222, 3580, 3672, 4296, 4590, 4833, 5370, 6086, 6120, 6444, 7160, 8055, 9129, 9180, 9666, 10740, 12172, 12888, 15215, 16110, 18258, 18360, 19332, 21480, 24165, 24344, 27387, 30430, 32220, 36516, 38664, 45645, 48330, 54774, 60860, 64440, 73032, 82161, 91290, 96660, 109548, 121720, 136935, 164322, 182580, 193320, 219096, 273870, 328644, 365160, 410805, 547740, 657288, 821610, 1095480, 1643220, 3286440.
If you add them up, you will get the total of 11,664,000.