The factors of the number 306,357,660 are: 1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 81047, 162094, 243141, 324188, 405235, 486282, 567329, 729423, 810470, 972564, 1134658, 1215705, 1458846, 1620940, 1701987, 2188269, 2269316, 2431410, 2836645, 2917692, 3403974, 3647115, 4376538, 4862820, 5105961, 5673290, 6807948, 7294230, 8509935, 8753076, 10211922, 10941345, 11346580, 14588460, 15317883, 17019870, 20423844, 21882690, 25529805, 30635766, 34039740, 43765380, 51059610, 61271532, 76589415, 102119220, 153178830, 306357660.
If you add them up, you will get the total of 1,089,285,120.