The factors of the number 431,151,120 are: 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 29, 30, 36, 40, 45, 48, 54, 58, 60, 72, 80, 87, 90, 108, 116, 120, 135, 144, 145, 174, 180, 216, 232, 240, 261, 270, 290, 348, 360, 432, 435, 464, 522, 540, 580, 696, 720, 783, 870, 1044, 1080, 1160, 1305, 1392, 1566, 1740, 2088, 2160, 2320, 2610, 3132, 3480, 3915, 4176, 5220, 6264, 6883, 6960, 7830, 10440, 12528, 13766, 15660, 20649, 20880, 27532, 31320, 34415, 41298, 55064, 61947, 62640, 68830, 82596, 103245, 110128, 123894, 137660, 165192, 185841, 199607, 206490, 247788, 275320, 309735, 330384, 371682, 399214, 412980, 495576, 550640, 598821, 619470, 743364, 798428, 825960, 929205, 991152, 998035, 1197642, 1238940, 1486728, 1596856, 1651920, 1796463, 1858410, 1996070, 2395284, 2477880, 2973456, 2994105, 3193712, 3592926, 3716820, 3992140, 4790568, 4955760, 5389389, 5988210, 7185852, 7433640, 7984280, 8982315, 9581136, 10778778, 11976420, 14371704, 14867280, 15968560, 17964630, 21557556, 23952840, 26946945, 28743408, 35929260, 43115112, 47905680, 53893890, 71858520, 86230224, 107787780, 143717040, 215575560, 431151120.
If you add them up, you will get the total of 1,536,508,800.