The factors of the number 913,680 are: 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 47, 48, 54, 60, 72, 80, 81, 90, 94, 108, 120, 135, 141, 144, 162, 180, 188, 216, 235, 240, 243, 270, 282, 324, 360, 376, 405, 423, 432, 470, 486, 540, 564, 648, 705, 720, 752, 810, 846, 940, 972, 1080, 1128, 1215, 1269, 1296, 1410, 1620, 1692, 1880, 1944, 2115, 2160, 2256, 2430, 2538, 2820, 3240, 3384, 3760, 3807, 3888, 4230, 4860, 5076, 5640, 6345, 6480, 6768, 7614, 8460, 9720, 10152, 11280, 11421, 12690, 15228, 16920, 19035, 19440, 20304, 22842, 25380, 30456, 33840, 38070, 45684, 50760, 57105, 60912, 76140, 91368, 101520, 114210, 152280, 182736, 228420, 304560, 456840, 913680.
If you add them up, you will get the total of 3,249,792.