247587840

素因数分解:

$2^{10}\times 3^5\times 5^1\times {\mathrm{199}}^1$

素因数の和:239

約数の個数: 264

約数和(自身を含む): 894129600

約数和(自身を除く): 646541760

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, 2160, 2304, 2388, 2430, 2560, 2592, 2880, 2985, 3072, 3184, 3240, 3456, 3582, 3840, 3888, 3980, 4320, 4608, 4776, 4860, 5120, 5184, 5373, 5760, 5970, 6368, 6480, 6912, 7164, 7680, 7776, 7960, 8640, 8955, 9216, 9552, 9720, 10368, 10746, 11520, 11940, 12736, 12960, 13824, 14328, 15360, 15552, 15920, 16119, 17280, 17910, 19104, 19440, 20736, 21492, 23040, 23880, 25472, 25920, 26865, 27648, 28656, 31104, 31840, 32238, 34560, 35820, 38208, 38880, 41472, 42984, 46080, 47760, 48357, 50944, 51840, 53730, 57312, 62208, 63680, 64476, 69120, 71640, 76416, 77760, 80595, 82944, 85968, 95520, 96714, 101888, 103680, 107460, 114624, 124416, 127360, 128952, 138240, 143280, 152832, 155520, 161190, 171936, 191040, 193428, 203776, 207360, 214920, 229248, 241785, 248832, 254720, 257904, 286560, 305664, 311040, 322380, 343872, 382080, 386856, 414720, 429840, 458496, 483570, 509440, 515808, 573120, 611328, 622080, 644760, 687744, 764160, 773712, 859680, 916992, 967140, 1018880, 1031616, 1146240, 1244160, 1289520, 1375488, 1528320, 1547424, 1719360, 1833984, 1934280, 2063232, 2292480, 2579040, 2750976, 3056640, 3094848, 3438720, 3868560, 4126464, 4584960, 5158080, 5501952, 6189696, 6877440, 7737120, 8252928, 9169920, 10316160, 12379392, 13754880, 15474240, 16505856, 20632320, 24758784, 27509760, 30948480, 41264640, 49517568, 61896960, 82529280, 123793920, 247587840]

約数ペア:

[(1, 247587840), (2, 123793920), (3, 82529280), (4, 61896960), (5, 49517568), (6, 41264640), (8, 30948480), (9, 27509760), (10, 24758784), (12, 20632320), (15, 16505856), (16, 15474240), (18, 13754880), (20, 12379392), (24, 10316160), (27, 9169920), (30, 8252928), (32, 7737120), (36, 6877440), (40, 6189696), (45, 5501952), (48, 5158080), (54, 4584960), (60, 4126464), (64, 3868560), (72, 3438720), (80, 3094848), (81, 3056640), (90, 2750976), (96, 2579040), (108, 2292480), (120, 2063232), (128, 1934280), (135, 1833984), (144, 1719360), (160, 1547424), (162, 1528320), (180, 1375488), (192, 1289520), (199, 1244160), (216, 1146240), (240, 1031616), (243, 1018880), (256, 967140), (270, 916992), (288, 859680), (320, 773712), (324, 764160), (360, 687744), (384, 644760), (398, 622080), (405, 611328), (432, 573120), (480, 515808), (486, 509440), (512, 483570), (540, 458496), (576, 429840), (597, 414720), (640, 386856), (648, 382080), (720, 343872), (768, 322380), (796, 311040), (810, 305664), (864, 286560), (960, 257904), (972, 254720), (995, 248832), (1024, 241785), (1080, 229248), (1152, 214920), (1194, 207360), (1215, 203776), (1280, 193428), (1296, 191040), (1440, 171936), (1536, 161190), (1592, 155520), (1620, 152832), (1728, 143280), (1791, 138240), (1920, 128952), (1944, 127360), (1990, 124416), (2160, 114624), (2304, 107460), (2388, 103680), (2430, 101888), (2560, 96714), (2592, 95520), (2880, 85968), (2985, 82944), (3072, 80595), (3184, 77760), (3240, 76416), (3456, 71640), (3582, 69120), (3840, 64476), (3888, 63680), (3980, 62208), (4320, 57312), (4608, 53730), (4776, 51840), (4860, 50944), (5120, 48357), (5184, 47760), (5373, 46080), (5760, 42984), (5970, 41472), (6368, 38880), (6480, 38208), (6912, 35820), (7164, 34560), (7680, 32238), (7776, 31840), (7960, 31104), (8640, 28656), (8955, 27648), (9216, 26865), (9552, 25920), (9720, 25472), (10368, 23880), (10746, 23040), (11520, 21492), (11940, 20736), (12736, 19440), (12960, 19104), (13824, 17910), (14328, 17280), (15360, 16119), (15552, 15920)]