The factors of the number 3,411,240 are: 1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 84, 93, 105, 120, 124, 131, 140, 155, 168, 186, 210, 217, 248, 262, 280, 310, 372, 393, 420, 434, 465, 524, 620, 651, 655, 744, 786, 840, 868, 917, 930, 1048, 1085, 1240, 1302, 1310, 1572, 1736, 1834, 1860, 1965, 2170, 2604, 2620, 2751, 3144, 3255, 3668, 3720, 3930, 4061, 4340, 4585, 5208, 5240, 5502, 6510, 7336, 7860, 8122, 8680, 9170, 11004, 12183, 13020, 13755, 15720, 16244, 18340, 20305, 22008, 24366, 26040, 27510, 28427, 32488, 36680, 40610, 48732, 55020, 56854, 60915, 81220, 85281, 97464, 110040, 113708, 121830, 142135, 162440, 170562, 227416, 243660, 284270, 341124, 426405, 487320, 568540, 682248, 852810, 1137080, 1705620, 3411240.
If you add them up, you will get the total of 12,165,120.