The factors of the number 736,560 are: 1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 31, 33, 36, 40, 44, 45, 48, 54, 55, 60, 62, 66, 72, 80, 88, 90, 93, 99, 108, 110, 120, 124, 132, 135, 144, 155, 165, 176, 180, 186, 198, 216, 220, 240, 248, 264, 270, 279, 297, 310, 330, 341, 360, 372, 396, 432, 440, 465, 495, 496, 528, 540, 558, 594, 620, 660, 682, 720, 744, 792, 837, 880, 930, 990, 1023, 1080, 1116, 1188, 1240, 1320, 1364, 1395, 1485, 1488, 1584, 1674, 1705, 1860, 1980, 2046, 2160, 2232, 2376, 2480, 2640, 2728, 2790, 2970, 3069, 3348, 3410, 3720, 3960, 4092, 4185, 4464, 4752, 5115, 5456, 5580, 5940, 6138, 6696, 6820, 7440, 7920, 8184, 8370, 9207, 10230, 11160, 11880, 12276, 13392, 13640, 15345, 16368, 16740, 18414, 20460, 22320, 23760, 24552, 27280, 30690, 33480, 36828, 40920, 46035, 49104, 61380, 66960, 73656, 81840, 92070, 122760, 147312, 184140, 245520, 368280, 736560.
If you add them up, you will get the total of 2,856,960.