The factors of the number 270,721,836 are: 1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 42, 44, 63, 66, 77, 84, 99, 126, 127, 132, 154, 198, 231, 252, 254, 308, 381, 396, 462, 508, 693, 762, 769, 889, 924, 1143, 1386, 1397, 1524, 1538, 1778, 2286, 2307, 2667, 2772, 2794, 3076, 3556, 4191, 4572, 4614, 5334, 5383, 5588, 6921, 8001, 8382, 8459, 9228, 9779, 10668, 10766, 12573, 13842, 16002, 16149, 16764, 16918, 19558, 21532, 25146, 25377, 27684, 29337, 32004, 32298, 33836, 39116, 48447, 50292, 50754, 58674, 59213, 64596, 76131, 88011, 96894, 97663, 101508, 117348, 118426, 152262, 176022, 177639, 193788, 195326, 236852, 292989, 304524, 352044, 355278, 390652, 532917, 585978, 683641, 710556, 878967, 1065834, 1074293, 1171956, 1367282, 1757934, 2050923, 2131668, 2148586, 2734564, 3222879, 3515868, 4101846, 4297172, 6152769, 6445758, 7520051, 8203692, 9668637, 12305538, 12891516, 15040102, 19337274, 22560153, 24611076, 30080204, 38674548, 45120306, 67680459, 90240612, 135360918, 270721836.
If you add them up, you will get the total of 861,020,160.