The factors of the number 1,161,270 are: 1, 2, 3, 5, 6, 9, 10, 11, 15, 17, 18, 22, 23, 27, 30, 33, 34, 45, 46, 51, 54, 55, 66, 69, 85, 90, 99, 102, 110, 115, 135, 138, 153, 165, 170, 187, 198, 207, 230, 253, 255, 270, 297, 306, 330, 345, 374, 391, 414, 459, 495, 506, 510, 561, 594, 621, 690, 759, 765, 782, 918, 935, 990, 1035, 1122, 1173, 1242, 1265, 1485, 1518, 1530, 1683, 1870, 1955, 2070, 2277, 2295, 2346, 2530, 2805, 2970, 3105, 3366, 3519, 3795, 3910, 4301, 4554, 4590, 5049, 5610, 5865, 6210, 6831, 7038, 7590, 8415, 8602, 10098, 10557, 11385, 11730, 12903, 13662, 16830, 17595, 21114, 21505, 22770, 25245, 25806, 34155, 35190, 38709, 43010, 50490, 52785, 64515, 68310, 77418, 105570, 116127, 129030, 193545, 232254, 387090, 580635, 1161270.
If you add them up, you will get the total of 3,732,480.