The factors of the number 260,260,320 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 131, 160, 240, 262, 393, 480, 524, 655, 786, 1048, 1310, 1572, 1965, 2096, 2620, 3144, 3930, 4139, 4192, 5240, 6288, 7860, 8278, 10480, 12417, 12576, 15720, 16556, 20695, 20960, 24834, 31440, 33112, 41390, 49668, 62085, 62880, 66224, 82780, 99336, 124170, 132448, 165560, 198672, 248340, 331120, 397344, 496680, 542209, 662240, 993360, 1084418, 1626627, 1986720, 2168836, 2711045, 3253254, 4337672, 5422090, 6506508, 8133135, 8675344, 10844180, 13013016, 16266270, 17350688, 21688360, 26026032, 32532540, 43376720, 52052064, 65065080, 86753440, 130130160, 260260320.
If you add them up, you will get the total of 260,260,886. Now subtract 260,260,320 to get 566,017,440