20990197440

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{257}}^1$

素因数の和:446

約数の個数: 560

約数和(自身を含む): 78786240192

約数和(自身を除く): 57796042752

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, 135, 137, 138, 144, 160, 162, 180, 184, 192, 207, 216, 230, 240, 257, 270, 274, 276, 288, 320, 324, 345, 360, 368, 405, 411, 414, 432, 460, 480, 514, 540, 548, 552, 576, 621, 648, 685, 690, 720, 736, 771, 810, 822, 828, 864, 920, 960, 1028, 1035, 1080, 1096, 1104, 1233, 1242, 1285, 1296, 1370, 1380, 1440, 1472, 1542, 1620, 1644, 1656, 1728, 1840, 1863, 2055, 2056, 2070, 2160, 2192, 2208, 2313, 2466, 2484, 2570, 2592, 2740, 2760, 2880, 3084, 3105, 3151, 3240, 3288, 3312, 3680, 3699, 3726, 3855, 4110, 4112, 4140, 4320, 4384, 4416, 4626, 4932, 4968, 5140, 5184, 5480, 5520, 5911, 6165, 6168, 6210, 6302, 6480, 6576, 6624, 6939, 7360, 7398, 7452, 7710, 8220, 8224, 8280, 8640, 8768, 9252, 9315, 9453, 9864, 9936, 10280, 10960, 11040, 11097, 11565, 11822, 12330, 12336, 12420, 12604, 12960, 13152, 13248, 13878, 14796, 14904, 15420, 15755, 16440, 16448, 16560, 17733, 18495, 18504, 18630, 18906, 19728, 19872, 20560, 20817, 21920, 22080, 22194, 23130, 23644, 24660, 24672, 24840, 25208, 25920, 26304, 27756, 28359, 29555, 29592, 29808, 30840, 31510, 32880, 33120, 34695, 35209, 35466, 36990, 37008, 37260, 37812, 39456, 39744, 41120, 41634, 43840, 44388, 46260, 47265, 47288, 49320, 49344, 49680, 50416, 53199, 55485, 55512, 56718, 59110, 59184, 59616, 61680, 63020, 65760, 66240, 69390, 70418, 70932, 73980, 74016, 74520, 75624, 78912, 82240, 83268, 85077, 88665, 88776, 92520, 94530, 94576, 98640, 99360, 100832, 104085, 105627, 106398, 110970, 111024, 113436, 118220, 118368, 119232, 123360, 126040, 131520, 138780, 140836, 141795, 141864, 147960, 148032, 149040, 151248, 159597, 166536, 170154, 176045, 177330, 177552, 185040, 189060, 189152, 197280, 198720, 201664, 208170, 211254, 212796, 221940, 222048, 226872, 236440, 236736, 246720, 252080, 255231, 265995, 277560, 281672, 283590, 283728, 295920, 298080, 302496, 316881, 319194, 333072, 340308, 352090, 354660, 355104, 370080, 378120, 378304, 394560, 416340, 422508, 425385, 425592, 443880, 444096, 453744, 472880, 478791, 504160, 510462, 528135, 531990, 555120, 563344, 567180, 567456, 591840, 596160, 604992, 633762, 638388, 666144, 680616, 704180, 709320, 710208, 740160, 756240, 797985, 809807, 832680, 845016, 850770, 851184, 887760, 907488, 945760, 950643, 957582, 1008320, 1020924, 1056270, 1063980, 1110240, 1126688, 1134360, 1134912, 1183680, 1267524, 1276155, 1276776, 1332288, 1361232, 1408360, 1418640, 1512480, 1584405, 1595970, 1619614, 1665360, 1690032, 1701540, 1702368, 1775520, 1814976, 1891520, 1901286, 1915164, 2041848, 2112540, 2127960, 2220480, 2253376, 2268720, 2393955, 2429421, 2535048, 2552310, 2553552, 2722464, 2816720, 2837280, 2851929, 3024960, 3168810, 3191940, 3239228, 3330720, 3380064, 3403080, 3404736, 3551040, 3802572, 3830328, 4049035, 4083696, 4225080, 4255920, 4537440, 4753215, 4787910, 4858842, 5070096, 5104620, 5107104, 5444928, 5633440, 5674560, 5703858, 6337620, 6383880, 6478456, 6661440, 6760128, 6806160, 7288263, 7605144, 7660656, 8098070, 8167392, 8450160, 8511840, 9074880, 9506430, 9575820, 9717684, 10140192, 10209240, 10214208, 11266880, 11407716, 12147105, 12675240, 12767760, 12956912, 13612320, 14259645, 14576526, 15210288, 15321312, 16196140, 16334784, 16900320, 17023680, 19012860, 19151640, 19435368, 20280384, 20418480, 21864789, 22815432, 24294210, 25350480, 25535520, 25913824, 27224640, 28519290, 29153052, 30420576, 30642624, 32392280, 33800640, 36441315, 38025720, 38303280, 38870736, 40836960, 43729578, 45630864, 48588420, 50700960, 51071040, 51827648, 57038580, 58306104, 60841152, 64784560, 65594367, 72882630, 76051440, 76606560, 77741472, 81673920, 87459156, 91261728, 97176840, 101401920, 109323945, 114077160, 116612208, 129569120, 131188734, 145765260, 152102880, 153213120, 155482944, 174918312, 182523456, 194353680, 218647890, 228154320, 233224416, 259138240, 262377468, 291530520, 304205760, 327971835, 349836624, 388707360, 437295780, 456308640, 466448832, 524754936, 583061040, 655943670, 699673248, 777414720, 874591560, 912617280, 1049509872, 1166122080, 1311887340, 1399346496, 1749183120, 2099019744, 2332244160, 2623774680, 3498366240, 4198039488, 5247549360, 6996732480, 10495098720, 20990197440]

約数ペア:

[(1, 20990197440), (2, 10495098720), (3, 6996732480), (4, 5247549360), (5, 4198039488), (6, 3498366240), (8, 2623774680), (9, 2332244160), (10, 2099019744), (12, 1749183120), (15, 1399346496), (16, 1311887340), (18, 1166122080), (20, 1049509872), (23, 912617280), (24, 874591560), (27, 777414720), (30, 699673248), (32, 655943670), (36, 583061040), (40, 524754936), (45, 466448832), (46, 456308640), (48, 437295780), (54, 388707360), (60, 349836624), (64, 327971835), (69, 304205760), (72, 291530520), (80, 262377468), (81, 259138240), (90, 233224416), (92, 228154320), (96, 218647890), (108, 194353680), (115, 182523456), (120, 174918312), (135, 155482944), (137, 153213120), (138, 152102880), (144, 145765260), (160, 131188734), (162, 129569120), (180, 116612208), (184, 114077160), (192, 109323945), (207, 101401920), (216, 97176840), (230, 91261728), (240, 87459156), (257, 81673920), (270, 77741472), (274, 76606560), (276, 76051440), (288, 72882630), (320, 65594367), (324, 64784560), (345, 60841152), (360, 58306104), (368, 57038580), (405, 51827648), (411, 51071040), (414, 50700960), (432, 48588420), (460, 45630864), (480, 43729578), (514, 40836960), (540, 38870736), (548, 38303280), (552, 38025720), (576, 36441315), (621, 33800640), (648, 32392280), (685, 30642624), (690, 30420576), (720, 29153052), (736, 28519290), (771, 27224640), (810, 25913824), (822, 25535520), (828, 25350480), (864, 24294210), (920, 22815432), (960, 21864789), (1028, 20418480), (1035, 20280384), (1080, 19435368), (1096, 19151640), (1104, 19012860), (1233, 17023680), (1242, 16900320), (1285, 16334784), (1296, 16196140), (1370, 15321312), (1380, 15210288), (1440, 14576526), (1472, 14259645), (1542, 13612320), (1620, 12956912), (1644, 12767760), (1656, 12675240), (1728, 12147105), (1840, 11407716), (1863, 11266880), (2055, 10214208), (2056, 10209240), (2070, 10140192), (2160, 9717684), (2192, 9575820), (2208, 9506430), (2313, 9074880), (2466, 8511840), (2484, 8450160), (2570, 8167392), (2592, 8098070), (2740, 7660656), (2760, 7605144), (2880, 7288263), (3084, 6806160), (3105, 6760128), (3151, 6661440), (3240, 6478456), (3288, 6383880), (3312, 6337620), (3680, 5703858), (3699, 5674560), (3726, 5633440), (3855, 5444928), (4110, 5107104), (4112, 5104620), (4140, 5070096), (4320, 4858842), (4384, 4787910), (4416, 4753215), (4626, 4537440), (4932, 4255920), (4968, 4225080), (5140, 4083696), (5184, 4049035), (5480, 3830328), (5520, 3802572), (5911, 3551040), (6165, 3404736), (6168, 3403080), (6210, 3380064), (6302, 3330720), (6480, 3239228), (6576, 3191940), (6624, 3168810), (6939, 3024960), (7360, 2851929), (7398, 2837280), (7452, 2816720), (7710, 2722464), (8220, 2553552), (8224, 2552310), (8280, 2535048), (8640, 2429421), (8768, 2393955), (9252, 2268720), (9315, 2253376), (9453, 2220480), (9864, 2127960), (9936, 2112540), (10280, 2041848), (10960, 1915164), (11040, 1901286), (11097, 1891520), (11565, 1814976), (11822, 1775520), (12330, 1702368), (12336, 1701540), (12420, 1690032), (12604, 1665360), (12960, 1619614), (13152, 1595970), (13248, 1584405), (13878, 1512480), (14796, 1418640), (14904, 1408360), (15420, 1361232), (15755, 1332288), (16440, 1276776), (16448, 1276155), (16560, 1267524), (17733, 1183680), (18495, 1134912), (18504, 1134360), (18630, 1126688), (18906, 1110240), (19728, 1063980), (19872, 1056270), (20560, 1020924), (20817, 1008320), (21920, 957582), (22080, 950643), (22194, 945760), (23130, 907488), (23644, 887760), (24660, 851184), (24672, 850770), (24840, 845016), (25208, 832680), (25920, 809807), (26304, 797985), (27756, 756240), (28359, 740160), (29555, 710208), (29592, 709320), (29808, 704180), (30840, 680616), (31510, 666144), (32880, 638388), (33120, 633762), (34695, 604992), (35209, 596160), (35466, 591840), (36990, 567456), (37008, 567180), (37260, 563344), (37812, 555120), (39456, 531990), (39744, 528135), (41120, 510462), (41634, 504160), (43840, 478791), (44388, 472880), (46260, 453744), (47265, 444096), (47288, 443880), (49320, 425592), (49344, 425385), (49680, 422508), (50416, 416340), (53199, 394560), (55485, 378304), (55512, 378120), (56718, 370080), (59110, 355104), (59184, 354660), (59616, 352090), (61680, 340308), (63020, 333072), (65760, 319194), (66240, 316881), (69390, 302496), (70418, 298080), (70932, 295920), (73980, 283728), (74016, 283590), (74520, 281672), (75624, 277560), (78912, 265995), (82240, 255231), (83268, 252080), (85077, 246720), (88665, 236736), (88776, 236440), (92520, 226872), (94530, 222048), (94576, 221940), (98640, 212796), (99360, 211254), (100832, 208170), (104085, 201664), (105627, 198720), (106398, 197280), (110970, 189152), (111024, 189060), (113436, 185040), (118220, 177552), (118368, 177330), (119232, 176045), (123360, 170154), (126040, 166536), (131520, 159597), (138780, 151248), (140836, 149040), (141795, 148032), (141864, 147960)]