257541120

素因数分解:

$2^{10}\times 3^7\times 5^1\times {\mathrm{23}}^1$

素因数の和:69

約数の個数: 352

約数和(自身を含む): 966839040

約数和(自身を除く): 709297920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 27, 30, 32, 36, 40, 45, 46, 48, 54, 60, 64, 69, 72, 80, 81, 90, 92, 96, 108, 115, 120, 128, 135, 138, 144, 160, 162, 180, 184, 192, 207, 216, 230, 240, 243, 256, 270, 276, 288, 320, 324, 345, 360, 368, 384, 405, 414, 432, 460, 480, 486, 512, 540, 552, 576, 621, 640, 648, 690, 720, 729, 736, 768, 810, 828, 864, 920, 960, 972, 1024, 1035, 1080, 1104, 1152, 1215, 1242, 1280, 1296, 1380, 1440, 1458, 1472, 1536, 1620, 1656, 1728, 1840, 1863, 1920, 1944, 2070, 2160, 2187, 2208, 2304, 2430, 2484, 2560, 2592, 2760, 2880, 2916, 2944, 3072, 3105, 3240, 3312, 3456, 3645, 3680, 3726, 3840, 3888, 4140, 4320, 4374, 4416, 4608, 4860, 4968, 5120, 5184, 5520, 5589, 5760, 5832, 5888, 6210, 6480, 6624, 6912, 7290, 7360, 7452, 7680, 7776, 8280, 8640, 8748, 8832, 9216, 9315, 9720, 9936, 10368, 10935, 11040, 11178, 11520, 11664, 11776, 12420, 12960, 13248, 13824, 14580, 14720, 14904, 15360, 15552, 16560, 16767, 17280, 17496, 17664, 18630, 19440, 19872, 20736, 21870, 22080, 22356, 23040, 23328, 23552, 24840, 25920, 26496, 27648, 27945, 29160, 29440, 29808, 31104, 33120, 33534, 34560, 34992, 35328, 37260, 38880, 39744, 41472, 43740, 44160, 44712, 46080, 46656, 49680, 50301, 51840, 52992, 55890, 58320, 58880, 59616, 62208, 66240, 67068, 69120, 69984, 70656, 74520, 77760, 79488, 82944, 83835, 87480, 88320, 89424, 93312, 99360, 100602, 103680, 105984, 111780, 116640, 117760, 119232, 124416, 132480, 134136, 138240, 139968, 149040, 155520, 158976, 167670, 174960, 176640, 178848, 186624, 198720, 201204, 207360, 211968, 223560, 233280, 238464, 248832, 251505, 264960, 268272, 279936, 298080, 311040, 317952, 335340, 349920, 353280, 357696, 373248, 397440, 402408, 414720, 447120, 466560, 476928, 503010, 529920, 536544, 559872, 596160, 622080, 635904, 670680, 699840, 715392, 746496, 794880, 804816, 894240, 933120, 953856, 1006020, 1059840, 1073088, 1119744, 1192320, 1244160, 1341360, 1399680, 1430784, 1589760, 1609632, 1788480, 1866240, 1907712, 2012040, 2146176, 2239488, 2384640, 2682720, 2799360, 2861568, 3179520, 3219264, 3576960, 3732480, 4024080, 4292352, 4769280, 5365440, 5598720, 5723136, 6438528, 7153920, 8048160, 8584704, 9538560, 10730880, 11197440, 12877056, 14307840, 16096320, 17169408, 21461760, 25754112, 28615680, 32192640, 42923520, 51508224, 64385280, 85847040, 128770560, 257541120]

約数ペア:

[(1, 257541120), (2, 128770560), (3, 85847040), (4, 64385280), (5, 51508224), (6, 42923520), (8, 32192640), (9, 28615680), (10, 25754112), (12, 21461760), (15, 17169408), (16, 16096320), (18, 14307840), (20, 12877056), (23, 11197440), (24, 10730880), (27, 9538560), (30, 8584704), (32, 8048160), (36, 7153920), (40, 6438528), (45, 5723136), (46, 5598720), (48, 5365440), (54, 4769280), (60, 4292352), (64, 4024080), (69, 3732480), (72, 3576960), (80, 3219264), (81, 3179520), (90, 2861568), (92, 2799360), (96, 2682720), (108, 2384640), (115, 2239488), (120, 2146176), (128, 2012040), (135, 1907712), (138, 1866240), (144, 1788480), (160, 1609632), (162, 1589760), (180, 1430784), (184, 1399680), (192, 1341360), (207, 1244160), (216, 1192320), (230, 1119744), (240, 1073088), (243, 1059840), (256, 1006020), (270, 953856), (276, 933120), (288, 894240), (320, 804816), (324, 794880), (345, 746496), (360, 715392), (368, 699840), (384, 670680), (405, 635904), (414, 622080), (432, 596160), (460, 559872), (480, 536544), (486, 529920), (512, 503010), (540, 476928), (552, 466560), (576, 447120), (621, 414720), (640, 402408), (648, 397440), (690, 373248), (720, 357696), (729, 353280), (736, 349920), (768, 335340), (810, 317952), (828, 311040), (864, 298080), (920, 279936), (960, 268272), (972, 264960), (1024, 251505), (1035, 248832), (1080, 238464), (1104, 233280), (1152, 223560), (1215, 211968), (1242, 207360), (1280, 201204), (1296, 198720), (1380, 186624), (1440, 178848), (1458, 176640), (1472, 174960), (1536, 167670), (1620, 158976), (1656, 155520), (1728, 149040), (1840, 139968), (1863, 138240), (1920, 134136), (1944, 132480), (2070, 124416), (2160, 119232), (2187, 117760), (2208, 116640), (2304, 111780), (2430, 105984), (2484, 103680), (2560, 100602), (2592, 99360), (2760, 93312), (2880, 89424), (2916, 88320), (2944, 87480), (3072, 83835), (3105, 82944), (3240, 79488), (3312, 77760), (3456, 74520), (3645, 70656), (3680, 69984), (3726, 69120), (3840, 67068), (3888, 66240), (4140, 62208), (4320, 59616), (4374, 58880), (4416, 58320), (4608, 55890), (4860, 52992), (4968, 51840), (5120, 50301), (5184, 49680), (5520, 46656), (5589, 46080), (5760, 44712), (5832, 44160), (5888, 43740), (6210, 41472), (6480, 39744), (6624, 38880), (6912, 37260), (7290, 35328), (7360, 34992), (7452, 34560), (7680, 33534), (7776, 33120), (8280, 31104), (8640, 29808), (8748, 29440), (8832, 29160), (9216, 27945), (9315, 27648), (9720, 26496), (9936, 25920), (10368, 24840), (10935, 23552), (11040, 23328), (11178, 23040), (11520, 22356), (11664, 22080), (11776, 21870), (12420, 20736), (12960, 19872), (13248, 19440), (13824, 18630), (14580, 17664), (14720, 17496), (14904, 17280), (15360, 16767), (15552, 16560)]