1980702720

素因数分解:

$2^{13}\times 3^5\times 5^1\times {\mathrm{199}}^1$

素因数の和:245

約数の個数: 336

約数和(自身を含む): 7156094400

約数和(自身を除く): 5175391680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 199, 216, 240, 243, 256, 270, 288, 320, 324, 360, 384, 398, 405, 432, 480, 486, 512, 540, 576, 597, 640, 648, 720, 768, 796, 810, 864, 960, 972, 995, 1024, 1080, 1152, 1194, 1215, 1280, 1296, 1440, 1536, 1592, 1620, 1728, 1791, 1920, 1944, 1990, 2048, 2160, 2304, 2388, 2430, 2560, 2592, 2880, 2985, 3072, 3184, 3240, 3456, 3582, 3840, 3888, 3980, 4096, 4320, 4608, 4776, 4860, 5120, 5184, 5373, 5760, 5970, 6144, 6368, 6480, 6912, 7164, 7680, 7776, 7960, 8192, 8640, 8955, 9216, 9552, 9720, 10240, 10368, 10746, 11520, 11940, 12288, 12736, 12960, 13824, 14328, 15360, 15552, 15920, 16119, 17280, 17910, 18432, 19104, 19440, 20480, 20736, 21492, 23040, 23880, 24576, 25472, 25920, 26865, 27648, 28656, 30720, 31104, 31840, 32238, 34560, 35820, 36864, 38208, 38880, 40960, 41472, 42984, 46080, 47760, 48357, 50944, 51840, 53730, 55296, 57312, 61440, 62208, 63680, 64476, 69120, 71640, 73728, 76416, 77760, 80595, 82944, 85968, 92160, 95520, 96714, 101888, 103680, 107460, 110592, 114624, 122880, 124416, 127360, 128952, 138240, 143280, 152832, 155520, 161190, 165888, 171936, 184320, 191040, 193428, 203776, 207360, 214920, 221184, 229248, 241785, 248832, 254720, 257904, 276480, 286560, 305664, 311040, 322380, 331776, 343872, 368640, 382080, 386856, 407552, 414720, 429840, 458496, 483570, 497664, 509440, 515808, 552960, 573120, 611328, 622080, 644760, 663552, 687744, 764160, 773712, 815104, 829440, 859680, 916992, 967140, 995328, 1018880, 1031616, 1105920, 1146240, 1222656, 1244160, 1289520, 1375488, 1528320, 1547424, 1630208, 1658880, 1719360, 1833984, 1934280, 1990656, 2037760, 2063232, 2292480, 2445312, 2488320, 2579040, 2750976, 3056640, 3094848, 3317760, 3438720, 3667968, 3868560, 4075520, 4126464, 4584960, 4890624, 4976640, 5158080, 5501952, 6113280, 6189696, 6877440, 7335936, 7737120, 8151040, 8252928, 9169920, 9953280, 10316160, 11003904, 12226560, 12379392, 13754880, 14671872, 15474240, 16505856, 18339840, 20632320, 22007808, 24453120, 24758784, 27509760, 30948480, 33011712, 36679680, 41264640, 44015616, 49517568, 55019520, 61896960, 66023424, 73359360, 82529280, 99035136, 110039040, 123793920, 132046848, 165058560, 198070272, 220078080, 247587840, 330117120, 396140544, 495175680, 660234240, 990351360, 1980702720]

約数ペア:

[(1, 1980702720), (2, 990351360), (3, 660234240), (4, 495175680), (5, 396140544), (6, 330117120), (8, 247587840), (9, 220078080), (10, 198070272), (12, 165058560), (15, 132046848), (16, 123793920), (18, 110039040), (20, 99035136), (24, 82529280), (27, 73359360), (30, 66023424), (32, 61896960), (36, 55019520), (40, 49517568), (45, 44015616), (48, 41264640), (54, 36679680), (60, 33011712), (64, 30948480), (72, 27509760), (80, 24758784), (81, 24453120), (90, 22007808), (96, 20632320), (108, 18339840), (120, 16505856), (128, 15474240), (135, 14671872), (144, 13754880), (160, 12379392), (162, 12226560), (180, 11003904), (192, 10316160), (199, 9953280), (216, 9169920), (240, 8252928), (243, 8151040), (256, 7737120), (270, 7335936), (288, 6877440), (320, 6189696), (324, 6113280), (360, 5501952), (384, 5158080), (398, 4976640), (405, 4890624), (432, 4584960), (480, 4126464), (486, 4075520), (512, 3868560), (540, 3667968), (576, 3438720), (597, 3317760), (640, 3094848), (648, 3056640), (720, 2750976), (768, 2579040), (796, 2488320), (810, 2445312), (864, 2292480), (960, 2063232), (972, 2037760), (995, 1990656), (1024, 1934280), (1080, 1833984), (1152, 1719360), (1194, 1658880), (1215, 1630208), (1280, 1547424), (1296, 1528320), (1440, 1375488), (1536, 1289520), (1592, 1244160), (1620, 1222656), (1728, 1146240), (1791, 1105920), (1920, 1031616), (1944, 1018880), (1990, 995328), (2048, 967140), (2160, 916992), (2304, 859680), (2388, 829440), (2430, 815104), (2560, 773712), (2592, 764160), (2880, 687744), (2985, 663552), (3072, 644760), (3184, 622080), (3240, 611328), (3456, 573120), (3582, 552960), (3840, 515808), (3888, 509440), (3980, 497664), (4096, 483570), (4320, 458496), (4608, 429840), (4776, 414720), (4860, 407552), (5120, 386856), (5184, 382080), (5373, 368640), (5760, 343872), (5970, 331776), (6144, 322380), (6368, 311040), (6480, 305664), (6912, 286560), (7164, 276480), (7680, 257904), (7776, 254720), (7960, 248832), (8192, 241785), (8640, 229248), (8955, 221184), (9216, 214920), (9552, 207360), (9720, 203776), (10240, 193428), (10368, 191040), (10746, 184320), (11520, 171936), (11940, 165888), (12288, 161190), (12736, 155520), (12960, 152832), (13824, 143280), (14328, 138240), (15360, 128952), (15552, 127360), (15920, 124416), (16119, 122880), (17280, 114624), (17910, 110592), (18432, 107460), (19104, 103680), (19440, 101888), (20480, 96714), (20736, 95520), (21492, 92160), (23040, 85968), (23880, 82944), (24576, 80595), (25472, 77760), (25920, 76416), (26865, 73728), (27648, 71640), (28656, 69120), (30720, 64476), (31104, 63680), (31840, 62208), (32238, 61440), (34560, 57312), (35820, 55296), (36864, 53730), (38208, 51840), (38880, 50944), (40960, 48357), (41472, 47760), (42984, 46080)]