The factors of the number 30,721,080 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 47, 52, 60, 65, 78, 94, 104, 120, 130, 141, 156, 188, 195, 235, 260, 282, 312, 376, 390, 419, 470, 520, 564, 611, 705, 780, 838, 940, 1128, 1222, 1257, 1410, 1560, 1676, 1833, 1880, 2095, 2444, 2514, 2820, 3055, 3352, 3666, 4190, 4888, 5028, 5447, 5640, 6110, 6285, 7332, 8380, 9165, 10056, 10894, 12220, 12570, 14664, 16341, 16760, 18330, 19693, 21788, 24440, 25140, 27235, 32682, 36660, 39386, 43576, 50280, 54470, 59079, 65364, 73320, 78772, 81705, 98465, 108940, 118158, 130728, 157544, 163410, 196930, 217880, 236316, 256009, 295395, 326820, 393860, 472632, 512018, 590790, 653640, 768027, 787720, 1024036, 1181580, 1280045, 1536054, 2048072, 2363160, 2560090, 3072108, 3840135, 5120180, 6144216, 7680270, 10240360, 15360540, 30721080.
If you add them up, you will get the total of 101,606,400.