64385280

素因数分解:

$2^8\times 3^7\times 5^1\times {\mathrm{23}}^1$

素因数の和:65

約数の個数: 288

約数和(自身を含む): 241355520

約数和(自身を除く): 176970240

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, 540, 552, 576, 621, 640, 648, 690, 720, 729, 736, 768, 810, 828, 864, 920, 960, 972, 1035, 1080, 1104, 1152, 1215, 1242, 1280, 1296, 1380, 1440, 1458, 1472, 1620, 1656, 1728, 1840, 1863, 1920, 1944, 2070, 2160, 2187, 2208, 2304, 2430, 2484, 2592, 2760, 2880, 2916, 2944, 3105, 3240, 3312, 3456, 3645, 3680, 3726, 3840, 3888, 4140, 4320, 4374, 4416, 4860, 4968, 5184, 5520, 5589, 5760, 5832, 5888, 6210, 6480, 6624, 6912, 7290, 7360, 7452, 7776, 8280, 8640, 8748, 8832, 9315, 9720, 9936, 10368, 10935, 11040, 11178, 11520, 11664, 12420, 12960, 13248, 14580, 14720, 14904, 15552, 16560, 16767, 17280, 17496, 17664, 18630, 19440, 19872, 20736, 21870, 22080, 22356, 23328, 24840, 25920, 26496, 27945, 29160, 29440, 29808, 31104, 33120, 33534, 34560, 34992, 37260, 38880, 39744, 43740, 44160, 44712, 46656, 49680, 50301, 51840, 52992, 55890, 58320, 59616, 62208, 66240, 67068, 69984, 74520, 77760, 79488, 83835, 87480, 88320, 89424, 93312, 99360, 100602, 103680, 111780, 116640, 119232, 132480, 134136, 139968, 149040, 155520, 158976, 167670, 174960, 178848, 186624, 198720, 201204, 223560, 233280, 238464, 251505, 264960, 268272, 279936, 298080, 311040, 335340, 349920, 357696, 397440, 402408, 447120, 466560, 476928, 503010, 536544, 559872, 596160, 670680, 699840, 715392, 794880, 804816, 894240, 933120, 1006020, 1073088, 1192320, 1341360, 1399680, 1430784, 1609632, 1788480, 2012040, 2146176, 2384640, 2682720, 2799360, 3219264, 3576960, 4024080, 4292352, 5365440, 6438528, 7153920, 8048160, 10730880, 12877056, 16096320, 21461760, 32192640, 64385280]

約数ペア:

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