256828331520

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{577}}^1\times {\mathrm{19319}}^1$

素因数の和:19925

約数の個数: 240

約数和(自身を含む): 891056406240

約数和(自身を除く): 634228074720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 512, 576, 577, 640, 720, 768, 960, 1152, 1154, 1280, 1440, 1536, 1731, 1920, 2304, 2308, 2560, 2880, 2885, 3462, 3840, 4608, 4616, 5193, 5760, 5770, 6924, 7680, 8655, 9232, 10386, 11520, 11540, 13848, 17310, 18464, 19319, 20772, 23040, 23080, 25965, 27696, 34620, 36928, 38638, 41544, 46160, 51930, 55392, 57957, 69240, 73856, 77276, 83088, 92320, 96595, 103860, 110784, 115914, 138480, 147712, 154552, 166176, 173871, 184640, 193190, 207720, 221568, 231828, 276960, 289785, 295424, 309104, 332352, 347742, 369280, 386380, 415440, 443136, 463656, 553920, 579570, 618208, 664704, 695484, 738560, 772760, 830880, 869355, 886272, 927312, 1107840, 1159140, 1236416, 1329408, 1390968, 1477120, 1545520, 1661760, 1738710, 1854624, 2215680, 2318280, 2472832, 2658816, 2781936, 3091040, 3323520, 3477420, 3709248, 4431360, 4636560, 4945664, 5563872, 6182080, 6647040, 6954840, 7418496, 9273120, 9891328, 11127744, 11147063, 12364160, 13294080, 13909680, 14836992, 18546240, 22255488, 22294126, 24728320, 27819360, 29673984, 33441189, 37092480, 44510976, 44588252, 49456640, 55638720, 55735315, 66882378, 74184960, 89021952, 89176504, 100323567, 111277440, 111470630, 133764756, 148369920, 167205945, 178353008, 200647134, 222554880, 222941260, 267529512, 334411890, 356706016, 401294268, 445109760, 445882520, 501617835, 535059024, 668823780, 713412032, 802588536, 891765040, 1003235670, 1070118048, 1337647560, 1426824064, 1605177072, 1783530080, 2006471340, 2140236096, 2675295120, 2853648128, 3210354144, 3567060160, 4012942680, 4280472192, 5350590240, 5707296256, 6420708288, 7134120320, 8025885360, 8560944384, 10701180480, 12841416576, 14268240640, 16051770720, 17121888768, 21402360960, 25682833152, 28536481280, 32103541440, 42804721920, 51365666304, 64207082880, 85609443840, 128414165760, 256828331520]

約数ペア:

[(1, 256828331520), (2, 128414165760), (3, 85609443840), (4, 64207082880), (5, 51365666304), (6, 42804721920), (8, 32103541440), (9, 28536481280), (10, 25682833152), (12, 21402360960), (15, 17121888768), (16, 16051770720), (18, 14268240640), (20, 12841416576), (24, 10701180480), (30, 8560944384), (32, 8025885360), (36, 7134120320), (40, 6420708288), (45, 5707296256), (48, 5350590240), (60, 4280472192), (64, 4012942680), (72, 3567060160), (80, 3210354144), (90, 2853648128), (96, 2675295120), (120, 2140236096), (128, 2006471340), (144, 1783530080), (160, 1605177072), (180, 1426824064), (192, 1337647560), (240, 1070118048), (256, 1003235670), (288, 891765040), (320, 802588536), (360, 713412032), (384, 668823780), (480, 535059024), (512, 501617835), (576, 445882520), (577, 445109760), (640, 401294268), (720, 356706016), (768, 334411890), (960, 267529512), (1152, 222941260), (1154, 222554880), (1280, 200647134), (1440, 178353008), (1536, 167205945), (1731, 148369920), (1920, 133764756), (2304, 111470630), (2308, 111277440), (2560, 100323567), (2880, 89176504), (2885, 89021952), (3462, 74184960), (3840, 66882378), (4608, 55735315), (4616, 55638720), (5193, 49456640), (5760, 44588252), (5770, 44510976), (6924, 37092480), (7680, 33441189), (8655, 29673984), (9232, 27819360), (10386, 24728320), (11520, 22294126), (11540, 22255488), (13848, 18546240), (17310, 14836992), (18464, 13909680), (19319, 13294080), (20772, 12364160), (23040, 11147063), (23080, 11127744), (25965, 9891328), (27696, 9273120), (34620, 7418496), (36928, 6954840), (38638, 6647040), (41544, 6182080), (46160, 5563872), (51930, 4945664), (55392, 4636560), (57957, 4431360), (69240, 3709248), (73856, 3477420), (77276, 3323520), (83088, 3091040), (92320, 2781936), (96595, 2658816), (103860, 2472832), (110784, 2318280), (115914, 2215680), (138480, 1854624), (147712, 1738710), (154552, 1661760), (166176, 1545520), (173871, 1477120), (184640, 1390968), (193190, 1329408), (207720, 1236416), (221568, 1159140), (231828, 1107840), (276960, 927312), (289785, 886272), (295424, 869355), (309104, 830880), (332352, 772760), (347742, 738560), (369280, 695484), (386380, 664704), (415440, 618208), (443136, 579570), (463656, 553920)]