20451180480

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^2$

素因数の和:173

約数の個数: 672

約数和(自身を含む): 75624537600

約数和(自身を除く): 55173357120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 23, 24, 29, 30, 32, 38, 40, 41, 46, 48, 57, 58, 60, 64, 69, 76, 80, 82, 87, 92, 95, 96, 114, 115, 116, 120, 123, 138, 145, 152, 160, 164, 174, 184, 190, 192, 205, 228, 230, 232, 240, 246, 276, 285, 290, 304, 320, 328, 345, 348, 368, 380, 410, 435, 437, 456, 460, 464, 480, 492, 551, 552, 570, 580, 608, 615, 656, 667, 690, 696, 736, 760, 779, 820, 870, 874, 912, 920, 928, 943, 960, 984, 1102, 1104, 1140, 1160, 1189, 1216, 1230, 1311, 1312, 1334, 1380, 1392, 1472, 1520, 1558, 1640, 1653, 1681, 1740, 1748, 1824, 1840, 1856, 1886, 1968, 2001, 2185, 2204, 2208, 2280, 2320, 2337, 2378, 2460, 2622, 2624, 2668, 2755, 2760, 2784, 2829, 3040, 3116, 3280, 3306, 3335, 3362, 3480, 3496, 3567, 3648, 3680, 3772, 3895, 3936, 4002, 4370, 4408, 4416, 4560, 4640, 4674, 4715, 4756, 4920, 5043, 5244, 5336, 5510, 5520, 5568, 5658, 5945, 6080, 6232, 6555, 6560, 6612, 6670, 6724, 6960, 6992, 7134, 7360, 7544, 7790, 7872, 8004, 8265, 8405, 8740, 8816, 9120, 9280, 9348, 9430, 9512, 9840, 10005, 10086, 10488, 10672, 11020, 11040, 11316, 11685, 11890, 12464, 12673, 13110, 13120, 13224, 13340, 13448, 13920, 13984, 14145, 14268, 15088, 15580, 16008, 16530, 16810, 17480, 17632, 17835, 17917, 18240, 18696, 18860, 19024, 19680, 20010, 20172, 20976, 21344, 22040, 22080, 22591, 22632, 23370, 23780, 24928, 25215, 25346, 26220, 26448, 26680, 26896, 27347, 27840, 27968, 28290, 28536, 30176, 31160, 31939, 32016, 33060, 33620, 34960, 35264, 35670, 35834, 37392, 37720, 38019, 38048, 38663, 39360, 40020, 40344, 41952, 42688, 44080, 45182, 45264, 46740, 47560, 48749, 49856, 50430, 50692, 52440, 52896, 53360, 53751, 53792, 54694, 56580, 57072, 60352, 62320, 63365, 63878, 64032, 66120, 67240, 67773, 69920, 71340, 71668, 74784, 75440, 76038, 76096, 77326, 80040, 80688, 82041, 83904, 88160, 89585, 90364, 90528, 93480, 95120, 95817, 97498, 100860, 101384, 104880, 105792, 106720, 107502, 107584, 109388, 112955, 113160, 114144, 115989, 124640, 126730, 127756, 128064, 132240, 134480, 135546, 136735, 139840, 142680, 143336, 146247, 149568, 150880, 152076, 154652, 159695, 160080, 161376, 164082, 176320, 179170, 180728, 181056, 186960, 190095, 190240, 191634, 193315, 194996, 201720, 202768, 209760, 213440, 215004, 218776, 225910, 226320, 228288, 231978, 243745, 249280, 253460, 255512, 264480, 268755, 268960, 271092, 273470, 285360, 286672, 292494, 301760, 304152, 309304, 319390, 320160, 322752, 328164, 338865, 358340, 361456, 373920, 380190, 380480, 383268, 386630, 389992, 403440, 405536, 410205, 419520, 430008, 437552, 451820, 452640, 463956, 479085, 487490, 506920, 511024, 519593, 528960, 537510, 537920, 542184, 546940, 570720, 573344, 579945, 584988, 608304, 618608, 638780, 640320, 656328, 677730, 716680, 722912, 731235, 734597, 747840, 760380, 766536, 773260, 779984, 806880, 811072, 820410, 860016, 875104, 903640, 905280, 926231, 927912, 958170, 974980, 1013840, 1022048, 1039186, 1075020, 1084368, 1093880, 1121227, 1141440, 1146688, 1159890, 1169976, 1216608, 1237216, 1277560, 1312656, 1355460, 1433360, 1445824, 1462470, 1469194, 1520760, 1533072, 1546520, 1558779, 1559968, 1613760, 1640820, 1720032, 1750208, 1807280, 1852462, 1855824, 1916340, 1949960, 2027680, 2044096, 2078372, 2150040, 2168736, 2187760, 2203791, 2242454, 2319780, 2339952, 2433216, 2474432, 2555120, 2597965, 2625312, 2710920, 2778693, 2866720, 2924940, 2938388, 3041520, 3066144, 3093040, 3117558, 3119936, 3281640, 3363681, 3440064, 3614560, 3672985, 3704924, 3711648, 3832680, 3899920, 4055360, 4156744, 4300080, 4337472, 4375520, 4407582, 4484908, 4631155, 4639560, 4679904, 5110240, 5195930, 5250624, 5421840, 5557386, 5606135, 5733440, 5849880, 5876776, 6083040, 6132288, 6186080, 6235116, 6563280, 6727362, 7229120, 7345970, 7409848, 7423296, 7665360, 7793895, 7799840, 8313488, 8600160, 8751040, 8815164, 8969816, 9262310, 9279120, 9359808, 10220480, 10391860, 10843680, 11018955, 11114772, 11212270, 11699760, 11753552, 12166080, 12372160, 12470232, 13126560, 13454724, 13893465, 14691940, 14819696, 15330720, 15587790, 15599680, 16626976, 16818405, 17200320, 17630328, 17939632, 18524620, 18558240, 20783720, 21303313, 21687360, 22037910, 22229544, 22424540, 23399520, 23507104, 24940464, 26253120, 26909448, 27786930, 29383880, 29639392, 30661440, 31175580, 33253952, 33636810, 35260656, 35879264, 37049240, 37116480, 41567440, 42606626, 44075820, 44459088, 44849080, 46799040, 47014208, 49880928, 53818896, 55573860, 58767760, 59278784, 62351160, 63909939, 67273620, 70521312, 71758528, 74098480, 83134880, 85213252, 88151640, 88918176, 89698160, 99761856, 106516565, 107637792, 111147720, 117535520, 124702320, 127819878, 134547240, 141042624, 148196960, 166269760, 170426504, 176303280, 177836352, 179396320, 213033130, 215275584, 222295440, 235071040, 249404640, 255639756, 269094480, 296393920, 319549695, 340853008, 352606560, 358792640, 426066260, 444590880, 498809280, 511279512, 538188960, 639099390, 681706016, 705213120, 852132520, 889181760, 1022559024, 1076377920, 1278198780, 1363412032, 1704265040, 2045118048, 2556397560, 3408530080, 4090236096, 5112795120, 6817060160, 10225590240, 20451180480]

約数ペア:

[(1, 20451180480), (2, 10225590240), (3, 6817060160), (4, 5112795120), (5, 4090236096), (6, 3408530080), (8, 2556397560), (10, 2045118048), (12, 1704265040), (15, 1363412032), (16, 1278198780), (19, 1076377920), (20, 1022559024), (23, 889181760), (24, 852132520), (29, 705213120), (30, 681706016), (32, 639099390), (38, 538188960), (40, 511279512), (41, 498809280), (46, 444590880), (48, 426066260), (57, 358792640), (58, 352606560), (60, 340853008), (64, 319549695), (69, 296393920), (76, 269094480), (80, 255639756), (82, 249404640), (87, 235071040), (92, 222295440), (95, 215275584), (96, 213033130), (114, 179396320), (115, 177836352), (116, 176303280), (120, 170426504), (123, 166269760), (138, 148196960), (145, 141042624), (152, 134547240), (160, 127819878), (164, 124702320), (174, 117535520), (184, 111147720), (190, 107637792), (192, 106516565), (205, 99761856), (228, 89698160), (230, 88918176), (232, 88151640), (240, 85213252), (246, 83134880), (276, 74098480), (285, 71758528), (290, 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(1824, 11212270), (1840, 11114772), (1856, 11018955), (1886, 10843680), (1968, 10391860), (2001, 10220480), (2185, 9359808), (2204, 9279120), (2208, 9262310), (2280, 8969816), (2320, 8815164), (2337, 8751040), (2378, 8600160), (2460, 8313488), (2622, 7799840), (2624, 7793895), (2668, 7665360), (2755, 7423296), (2760, 7409848), (2784, 7345970), (2829, 7229120), (3040, 6727362), (3116, 6563280), (3280, 6235116), (3306, 6186080), (3335, 6132288), (3362, 6083040), (3480, 5876776), (3496, 5849880), (3567, 5733440), (3648, 5606135), (3680, 5557386), (3772, 5421840), (3895, 5250624), (3936, 5195930), (4002, 5110240), (4370, 4679904), (4408, 4639560), (4416, 4631155), (4560, 4484908), (4640, 4407582), (4674, 4375520), (4715, 4337472), (4756, 4300080), (4920, 4156744), (5043, 4055360), (5244, 3899920), (5336, 3832680), (5510, 3711648), (5520, 3704924), (5568, 3672985), (5658, 3614560), (5945, 3440064), (6080, 3363681), (6232, 3281640), (6555, 3119936), (6560, 3117558), (6612, 3093040), (6670, 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