The factors of the number 64,636,040 are: 1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 37, 40, 56, 68, 70, 74, 85, 119, 136, 140, 148, 170, 185, 238, 259, 280, 296, 340, 367, 370, 476, 518, 595, 629, 680, 734, 740, 952, 1036, 1190, 1258, 1295, 1468, 1480, 1835, 2072, 2380, 2516, 2569, 2590, 2936, 3145, 3670, 4403, 4760, 5032, 5138, 5180, 6239, 6290, 7340, 8806, 10276, 10360, 12478, 12580, 12845, 13579, 14680, 17612, 20552, 22015, 24956, 25160, 25690, 27158, 31195, 35224, 43673, 44030, 49912, 51380, 54316, 62390, 67895, 87346, 88060, 95053, 102760, 108632, 124780, 135790, 174692, 176120, 190106, 218365, 230843, 249560, 271580, 349384, 380212, 436730, 461686, 475265, 543160, 760424, 873460, 923372, 950530, 1154215, 1615901, 1746920, 1846744, 1901060, 2308430, 3231802, 3802120, 4616860, 6463604, 8079505, 9233720, 12927208, 16159010, 32318020, 64636040.
If you add them up, you will get the total of 181,232,640.