The factors of the number 266,836,080 are: 1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 48, 51, 56, 60, 68, 70, 80, 84, 85, 102, 105, 112, 119, 120, 136, 140, 168, 170, 204, 210, 238, 240, 255, 272, 280, 336, 340, 357, 408, 420, 476, 510, 560, 595, 680, 714, 816, 840, 952, 1020, 1190, 1360, 1428, 1680, 1785, 1904, 2040, 2380, 2856, 3570, 4080, 4760, 5712, 7140, 9343, 9520, 14280, 18686, 28029, 28560, 37372, 46715, 56058, 65401, 74744, 93430, 112116, 130802, 140145, 149488, 158831, 186860, 196203, 224232, 261604, 280290, 317662, 327005, 373720, 392406, 448464, 476493, 523208, 560580, 635324, 654010, 747440, 784812, 794155, 952986, 981015, 1046416, 1111817, 1121160, 1270648, 1308020, 1569624, 1588310, 1905972, 1962030, 2223634, 2242320, 2382465, 2541296, 2616040, 3139248, 3176620, 3335451, 3811944, 3924060, 4447268, 4764930, 5232080, 5559085, 6353240, 6670902, 7623888, 7848120, 8894536, 9529860, 11118170, 12706480, 13341804, 15696240, 16677255, 17789072, 19059720, 22236340, 26683608, 33354510, 38119440, 44472680, 53367216, 66709020, 88945360, 133418040, 266836080.
If you add them up, you will get the total of 1,001,078,784.