The factors of the number 72,207,240 are: 1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 67, 70, 84, 105, 120, 134, 140, 168, 201, 210, 268, 280, 335, 402, 420, 469, 536, 670, 804, 840, 938, 1005, 1283, 1340, 1407, 1608, 1876, 2010, 2345, 2566, 2680, 2814, 3752, 3849, 4020, 4690, 5132, 5628, 6415, 7035, 7698, 8040, 8981, 9380, 10264, 11256, 12830, 14070, 15396, 17962, 18760, 19245, 25660, 26943, 28140, 30792, 35924, 38490, 44905, 51320, 53886, 56280, 71848, 76980, 85961, 89810, 107772, 134715, 153960, 171922, 179620, 215544, 257883, 269430, 343844, 359240, 429805, 515766, 538860, 601727, 687688, 859610, 1031532, 1077720, 1203454, 1289415, 1719220, 1805181, 2063064, 2406908, 2578830, 3008635, 3438440, 3610362, 4813816, 5157660, 6017270, 7220724, 9025905, 10315320, 12034540, 14441448, 18051810, 24069080, 36103620, 72207240.
If you add them up, you will get the total of 251,458,560.