121221760

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{257}}^1$

素因数の和:354

約数の個数: 128

約数和(自身を含む): 322107840

約数和(自身を除く): 200886080

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 67, 80, 88, 110, 128, 134, 160, 176, 220, 257, 268, 320, 335, 352, 440, 514, 536, 640, 670, 704, 737, 880, 1028, 1072, 1285, 1340, 1408, 1474, 1760, 2056, 2144, 2570, 2680, 2827, 2948, 3520, 3685, 4112, 4288, 5140, 5360, 5654, 5896, 7040, 7370, 8224, 8576, 10280, 10720, 11308, 11792, 14135, 14740, 16448, 17219, 20560, 21440, 22616, 23584, 28270, 29480, 32896, 34438, 41120, 42880, 45232, 47168, 56540, 58960, 68876, 82240, 86095, 90464, 94336, 113080, 117920, 137752, 164480, 172190, 180928, 189409, 226160, 235840, 275504, 344380, 361856, 378818, 452320, 471680, 551008, 688760, 757636, 904640, 947045, 1102016, 1377520, 1515272, 1809280, 1894090, 2204032, 2755040, 3030544, 3788180, 5510080, 6061088, 7576360, 11020160, 12122176, 15152720, 24244352, 30305440, 60610880, 121221760]

約数ペア:

[(1, 121221760), (2, 60610880), (4, 30305440), (5, 24244352), (8, 15152720), (10, 12122176), (11, 11020160), (16, 7576360), (20, 6061088), (22, 5510080), (32, 3788180), (40, 3030544), (44, 2755040), (55, 2204032), (64, 1894090), (67, 1809280), (80, 1515272), (88, 1377520), (110, 1102016), (128, 947045), (134, 904640), (160, 757636), (176, 688760), (220, 551008), (257, 471680), (268, 452320), (320, 378818), (335, 361856), (352, 344380), (440, 275504), (514, 235840), (536, 226160), (640, 189409), (670, 180928), (704, 172190), (737, 164480), (880, 137752), (1028, 117920), (1072, 113080), (1285, 94336), (1340, 90464), (1408, 86095), (1474, 82240), (1760, 68876), (2056, 58960), (2144, 56540), (2570, 47168), (2680, 45232), (2827, 42880), (2948, 41120), (3520, 34438), (3685, 32896), (4112, 29480), (4288, 28270), (5140, 23584), (5360, 22616), (5654, 21440), (5896, 20560), (7040, 17219), (7370, 16448), (8224, 14740), (8576, 14135), (10280, 11792), (10720, 11308)]