1220874240

素因数分解:

$2^{12}\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{641}}^1$

素因数の和:704

約数の個数: 208

約数和(自身を含む): 4038621696

約数和(自身を除く): 2817747456

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 128, 155, 160, 186, 192, 240, 248, 256, 310, 320, 372, 384, 465, 480, 496, 512, 620, 640, 641, 744, 768, 930, 960, 992, 1024, 1240, 1280, 1282, 1488, 1536, 1860, 1920, 1923, 1984, 2048, 2480, 2560, 2564, 2976, 3072, 3205, 3720, 3840, 3846, 3968, 4096, 4960, 5120, 5128, 5952, 6144, 6410, 7440, 7680, 7692, 7936, 9615, 9920, 10240, 10256, 11904, 12288, 12820, 14880, 15360, 15384, 15872, 19230, 19840, 19871, 20480, 20512, 23808, 25640, 29760, 30720, 30768, 31744, 38460, 39680, 39742, 41024, 47616, 51280, 59520, 59613, 61440, 61536, 63488, 76920, 79360, 79484, 82048, 95232, 99355, 102560, 119040, 119226, 123072, 126976, 153840, 158720, 158968, 164096, 190464, 198710, 205120, 238080, 238452, 246144, 298065, 307680, 317440, 317936, 328192, 380928, 397420, 410240, 476160, 476904, 492288, 596130, 615360, 634880, 635872, 656384, 794840, 820480, 952320, 953808, 984576, 1192260, 1230720, 1271744, 1312768, 1589680, 1640960, 1904640, 1907616, 1969152, 2384520, 2461440, 2543488, 2625536, 3179360, 3281920, 3815232, 3938304, 4769040, 4922880, 5086976, 6358720, 6563840, 7630464, 7876608, 9538080, 9845760, 10173952, 12717440, 13127680, 15260928, 19076160, 19691520, 20347904, 25434880, 30521856, 38152320, 39383040, 40695808, 50869760, 61043712, 76304640, 81391616, 101739520, 122087424, 152609280, 203479040, 244174848, 305218560, 406958080, 610437120, 1220874240]

約数ペア:

[(1, 1220874240), (2, 610437120), (3, 406958080), (4, 305218560), (5, 244174848), (6, 203479040), (8, 152609280), (10, 122087424), (12, 101739520), (15, 81391616), (16, 76304640), (20, 61043712), (24, 50869760), (30, 40695808), (31, 39383040), (32, 38152320), (40, 30521856), (48, 25434880), (60, 20347904), (62, 19691520), (64, 19076160), (80, 15260928), (93, 13127680), (96, 12717440), (120, 10173952), (124, 9845760), (128, 9538080), (155, 7876608), (160, 7630464), (186, 6563840), (192, 6358720), (240, 5086976), (248, 4922880), (256, 4769040), (310, 3938304), (320, 3815232), (372, 3281920), (384, 3179360), (465, 2625536), (480, 2543488), (496, 2461440), (512, 2384520), (620, 1969152), (640, 1907616), (641, 1904640), (744, 1640960), (768, 1589680), (930, 1312768), (960, 1271744), (992, 1230720), (1024, 1192260), (1240, 984576), (1280, 953808), (1282, 952320), (1488, 820480), (1536, 794840), (1860, 656384), (1920, 635872), (1923, 634880), (1984, 615360), (2048, 596130), (2480, 492288), (2560, 476904), (2564, 476160), (2976, 410240), (3072, 397420), (3205, 380928), (3720, 328192), (3840, 317936), (3846, 317440), (3968, 307680), (4096, 298065), (4960, 246144), (5120, 238452), (5128, 238080), (5952, 205120), (6144, 198710), (6410, 190464), (7440, 164096), (7680, 158968), (7692, 158720), (7936, 153840), (9615, 126976), (9920, 123072), (10240, 119226), (10256, 119040), (11904, 102560), (12288, 99355), (12820, 95232), (14880, 82048), (15360, 79484), (15384, 79360), (15872, 76920), (19230, 63488), (19840, 61536), (19871, 61440), (20480, 59613), (20512, 59520), (23808, 51280), (25640, 47616), (29760, 41024), (30720, 39742), (30768, 39680), (31744, 38460)]