The factors of the number 584,640 are: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 29, 30, 32, 35, 36, 40, 42, 45, 48, 56, 58, 60, 63, 64, 70, 72, 80, 84, 87, 90, 96, 105, 112, 116, 120, 126, 140, 144, 145, 160, 168, 174, 180, 192, 203, 210, 224, 232, 240, 252, 261, 280, 288, 290, 315, 320, 336, 348, 360, 406, 420, 435, 448, 464, 480, 504, 522, 560, 576, 580, 609, 630, 672, 696, 720, 812, 840, 870, 928, 960, 1008, 1015, 1044, 1120, 1160, 1218, 1260, 1305, 1344, 1392, 1440, 1624, 1680, 1740, 1827, 1856, 2016, 2030, 2088, 2240, 2320, 2436, 2520, 2610, 2784, 2880, 3045, 3248, 3360, 3480, 3654, 4032, 4060, 4176, 4640, 4872, 5040, 5220, 5568, 6090, 6496, 6720, 6960, 7308, 8120, 8352, 9135, 9280, 9744, 10080, 10440, 12180, 12992, 13920, 14616, 16240, 16704, 18270, 19488, 20160, 20880, 24360, 27840, 29232, 32480, 36540, 38976, 41760, 48720, 58464, 64960, 73080, 83520, 97440, 116928, 146160, 194880, 292320, 584640.
If you add them up, you will get the total of 2,377,440.