1639347840

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21893}}^1$

素因数の和:21931

約数の個数: 192

約数和(自身を含む): 6096603240

約数和(自身を除く): 4457255400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 64, 65, 72, 78, 80, 90, 96, 104, 117, 120, 128, 130, 144, 156, 160, 180, 192, 195, 208, 234, 240, 260, 288, 312, 320, 360, 384, 390, 416, 468, 480, 520, 576, 585, 624, 640, 720, 780, 832, 936, 960, 1040, 1152, 1170, 1248, 1440, 1560, 1664, 1872, 1920, 2080, 2340, 2496, 2880, 3120, 3744, 4160, 4680, 4992, 5760, 6240, 7488, 8320, 9360, 12480, 14976, 18720, 21893, 24960, 37440, 43786, 65679, 74880, 87572, 109465, 131358, 175144, 197037, 218930, 262716, 284609, 328395, 350288, 394074, 437860, 525432, 569218, 656790, 700576, 788148, 853827, 875720, 985185, 1050864, 1138436, 1313580, 1401152, 1423045, 1576296, 1707654, 1751440, 1970370, 2101728, 2276872, 2561481, 2627160, 2802304, 2846090, 3152592, 3415308, 3502880, 3940740, 4203456, 4269135, 4553744, 5122962, 5254320, 5692180, 6305184, 6830616, 7005760, 7881480, 8406912, 8538270, 9107488, 10245924, 10508640, 11384360, 12610368, 12807405, 13661232, 14011520, 15762960, 17076540, 18214976, 20491848, 21017280, 22768720, 25220736, 25614810, 27322464, 31525920, 34153080, 36429952, 40983696, 42034560, 45537440, 51229620, 54644928, 63051840, 68306160, 81967392, 91074880, 102459240, 109289856, 126103680, 136612320, 163934784, 182149760, 204918480, 273224640, 327869568, 409836960, 546449280, 819673920, 1639347840]

約数ペア:

[(1, 1639347840), (2, 819673920), (3, 546449280), (4, 409836960), (5, 327869568), (6, 273224640), (8, 204918480), (9, 182149760), (10, 163934784), (12, 136612320), (13, 126103680), (15, 109289856), (16, 102459240), (18, 91074880), (20, 81967392), (24, 68306160), (26, 63051840), (30, 54644928), (32, 51229620), (36, 45537440), (39, 42034560), (40, 40983696), (45, 36429952), (48, 34153080), (52, 31525920), (60, 27322464), (64, 25614810), (65, 25220736), (72, 22768720), (78, 21017280), (80, 20491848), (90, 18214976), (96, 17076540), (104, 15762960), (117, 14011520), (120, 13661232), (128, 12807405), (130, 12610368), (144, 11384360), (156, 10508640), (160, 10245924), (180, 9107488), (192, 8538270), (195, 8406912), (208, 7881480), (234, 7005760), (240, 6830616), (260, 6305184), (288, 5692180), (312, 5254320), (320, 5122962), (360, 4553744), (384, 4269135), (390, 4203456), (416, 3940740), (468, 3502880), (480, 3415308), (520, 3152592), (576, 2846090), (585, 2802304), (624, 2627160), (640, 2561481), (720, 2276872), (780, 2101728), (832, 1970370), (936, 1751440), (960, 1707654), (1040, 1576296), (1152, 1423045), (1170, 1401152), (1248, 1313580), (1440, 1138436), (1560, 1050864), (1664, 985185), (1872, 875720), (1920, 853827), (2080, 788148), (2340, 700576), (2496, 656790), (2880, 569218), (3120, 525432), (3744, 437860), (4160, 394074), (4680, 350288), (4992, 328395), (5760, 284609), (6240, 262716), (7488, 218930), (8320, 197037), (9360, 175144), (12480, 131358), (14976, 109465), (18720, 87572), (21893, 74880), (24960, 65679), (37440, 43786)]