220655360

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:294

約数の個数: 144

約数和(自身を含む): 571992960

約数和(自身を除く): 351337600

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 43, 64, 76, 80, 86, 95, 128, 152, 160, 172, 190, 211, 215, 256, 304, 320, 344, 380, 422, 430, 608, 640, 688, 760, 817, 844, 860, 1055, 1216, 1280, 1376, 1520, 1634, 1688, 1720, 2110, 2432, 2752, 3040, 3268, 3376, 3440, 4009, 4085, 4220, 4864, 5504, 6080, 6536, 6752, 6880, 8018, 8170, 8440, 9073, 11008, 12160, 13072, 13504, 13760, 16036, 16340, 16880, 18146, 20045, 24320, 26144, 27008, 27520, 32072, 32680, 33760, 36292, 40090, 45365, 52288, 54016, 55040, 64144, 65360, 67520, 72584, 80180, 90730, 104576, 128288, 130720, 135040, 145168, 160360, 172387, 181460, 209152, 256576, 261440, 270080, 290336, 320720, 344774, 362920, 513152, 522880, 580672, 641440, 689548, 725840, 861935, 1026304, 1045760, 1161344, 1282880, 1379096, 1451680, 1723870, 2322688, 2565760, 2758192, 2903360, 3447740, 5131520, 5516384, 5806720, 6895480, 11032768, 11613440, 13790960, 22065536, 27581920, 44131072, 55163840, 110327680, 220655360]

約数ペア:

[(1, 220655360), (2, 110327680), (4, 55163840), (5, 44131072), (8, 27581920), (10, 22065536), (16, 13790960), (19, 11613440), (20, 11032768), (32, 6895480), (38, 5806720), (40, 5516384), (43, 5131520), (64, 3447740), (76, 2903360), (80, 2758192), (86, 2565760), (95, 2322688), (128, 1723870), (152, 1451680), (160, 1379096), (172, 1282880), (190, 1161344), (211, 1045760), (215, 1026304), (256, 861935), (304, 725840), (320, 689548), (344, 641440), (380, 580672), (422, 522880), (430, 513152), (608, 362920), (640, 344774), (688, 320720), (760, 290336), (817, 270080), (844, 261440), (860, 256576), (1055, 209152), (1216, 181460), (1280, 172387), (1376, 160360), (1520, 145168), (1634, 135040), (1688, 130720), (1720, 128288), (2110, 104576), (2432, 90730), (2752, 80180), (3040, 72584), (3268, 67520), (3376, 65360), (3440, 64144), (4009, 55040), (4085, 54016), (4220, 52288), (4864, 45365), (5504, 40090), (6080, 36292), (6536, 33760), (6752, 32680), (6880, 32072), (8018, 27520), (8170, 27008), (8440, 26144), (9073, 24320), (11008, 20045), (12160, 18146), (13072, 16880), (13504, 16340), (13760, 16036)]