20680440480

素因数分解:

$2^5\times 3^4\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{887}}^1$

素因数の和:1178

約数の個数: 480

約数和(自身を含む): 83830070016

約数和(自身を除く): 63149629536

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 162, 168, 180, 189, 210, 216, 224, 240, 252, 257, 270, 280, 288, 315, 324, 336, 360, 378, 405, 420, 432, 480, 504, 514, 540, 560, 567, 630, 648, 672, 720, 756, 771, 810, 840, 864, 887, 945, 1008, 1028, 1080, 1120, 1134, 1260, 1285, 1296, 1440, 1512, 1542, 1620, 1680, 1774, 1799, 1890, 2016, 2056, 2160, 2268, 2313, 2520, 2570, 2592, 2661, 2835, 3024, 3084, 3240, 3360, 3548, 3598, 3780, 3855, 4112, 4320, 4435, 4536, 4626, 5040, 5140, 5322, 5397, 5670, 6048, 6168, 6209, 6480, 6939, 7096, 7196, 7560, 7710, 7983, 8224, 8870, 8995, 9072, 9252, 10080, 10280, 10644, 10794, 11340, 11565, 12336, 12418, 12960, 13305, 13878, 14192, 14392, 15120, 15420, 15966, 16191, 17740, 17990, 18144, 18504, 18627, 20560, 20817, 21288, 21588, 22680, 23130, 23949, 24672, 24836, 26610, 26985, 27756, 28384, 28784, 30240, 30840, 31045, 31932, 32382, 34695, 35480, 35980, 37008, 37254, 39915, 41120, 41634, 42576, 43176, 45360, 46260, 47898, 48573, 49672, 53220, 53970, 55512, 55881, 57568, 61680, 62090, 63864, 64764, 69390, 70960, 71847, 71960, 74016, 74508, 79830, 80955, 83268, 85152, 86352, 90720, 92520, 93135, 95796, 97146, 99344, 104085, 106440, 107940, 111024, 111762, 119745, 123360, 124180, 127728, 129528, 138780, 141920, 143694, 143920, 145719, 149016, 159660, 161910, 166536, 167643, 172704, 185040, 186270, 191592, 194292, 198688, 208170, 212880, 215880, 222048, 223524, 227959, 239490, 242865, 248360, 255456, 259056, 277560, 279405, 287388, 287840, 291438, 298032, 319320, 323820, 333072, 335286, 359235, 370080, 372540, 383184, 388584, 416340, 425760, 431760, 447048, 455918, 478980, 485730, 496720, 502929, 518112, 555120, 558810, 574776, 582876, 596064, 638640, 647640, 666144, 670572, 683877, 718470, 728595, 745080, 766368, 777168, 832680, 838215, 863520, 894096, 911836, 957960, 971460, 993440, 1005858, 1110240, 1117620, 1139795, 1149552, 1165752, 1277280, 1295280, 1341144, 1367754, 1436940, 1457190, 1490160, 1554336, 1595713, 1665360, 1676430, 1788192, 1823672, 1915920, 1942920, 2011716, 2051631, 2235240, 2279590, 2299104, 2331504, 2514645, 2590560, 2682288, 2735508, 2873880, 2914380, 2980320, 3191426, 3330720, 3352860, 3419385, 3647344, 3831840, 3885840, 4023432, 4103262, 4470480, 4559180, 4663008, 4787139, 5029290, 5364576, 5471016, 5747760, 5828760, 6154893, 6382852, 6705720, 6838770, 7294688, 7771680, 7978565, 8046864, 8206524, 8940960, 9118360, 9574278, 10058580, 10258155, 10942032, 11495520, 11657520, 12309786, 12765704, 13411440, 13677540, 14361417, 15957130, 16093728, 16413048, 18236720, 18464679, 19148556, 20117160, 20516310, 21884064, 23315040, 23935695, 24619572, 25531408, 26822880, 27355080, 28722834, 30774465, 31914260, 32826096, 36473440, 36929358, 38297112, 40234320, 41032620, 43084251, 47871390, 49239144, 51062816, 54710160, 57445668, 61548930, 63828520, 65652192, 71807085, 73858716, 76594224, 80468640, 82065240, 86168502, 92323395, 95742780, 98478288, 109420320, 114891336, 123097860, 127657040, 129252753, 143614170, 147717432, 153188448, 164130480, 172337004, 184646790, 191485560, 196956576, 215421255, 229782672, 246195720, 255314080, 258505506, 287228340, 295434864, 328260960, 344674008, 369293580, 382971120, 430842510, 459565344, 492391440, 517011012, 574456680, 590869728, 646263765, 689348016, 738587160, 765942240, 861685020, 984782880, 1034022024, 1148913360, 1292527530, 1378696032, 1477174320, 1723370040, 2068044048, 2297826720, 2585055060, 2954348640, 3446740080, 4136088096, 5170110120, 6893480160, 10340220240, 20680440480]

約数ペア:

[(1, 20680440480), (2, 10340220240), (3, 6893480160), (4, 5170110120), (5, 4136088096), (6, 3446740080), (7, 2954348640), (8, 2585055060), (9, 2297826720), (10, 2068044048), (12, 1723370040), (14, 1477174320), (15, 1378696032), (16, 1292527530), (18, 1148913360), (20, 1034022024), (21, 984782880), (24, 861685020), (27, 765942240), (28, 738587160), (30, 689348016), (32, 646263765), (35, 590869728), (36, 574456680), (40, 517011012), (42, 492391440), (45, 459565344), (48, 430842510), (54, 382971120), (56, 369293580), (60, 344674008), (63, 328260960), (70, 295434864), (72, 287228340), (80, 258505506), (81, 255314080), (84, 246195720), (90, 229782672), (96, 215421255), (105, 196956576), (108, 191485560), (112, 184646790), (120, 172337004), (126, 164130480), (135, 153188448), (140, 147717432), (144, 143614170), (160, 129252753), (162, 127657040), (168, 123097860), (180, 114891336), (189, 109420320), (210, 98478288), (216, 95742780), (224, 92323395), (240, 86168502), (252, 82065240), (257, 80468640), (270, 76594224), (280, 73858716), (288, 71807085), (315, 65652192), (324, 63828520), (336, 61548930), (360, 57445668), (378, 54710160), (405, 51062816), (420, 49239144), (432, 47871390), (480, 43084251), (504, 41032620), (514, 40234320), (540, 38297112), (560, 36929358), (567, 36473440), (630, 32826096), (648, 31914260), (672, 30774465), (720, 28722834), (756, 27355080), (771, 26822880), (810, 25531408), (840, 24619572), (864, 23935695), (887, 23315040), (945, 21884064), (1008, 20516310), (1028, 20117160), (1080, 19148556), (1120, 18464679), (1134, 18236720), (1260, 16413048), (1285, 16093728), (1296, 15957130), (1440, 14361417), (1512, 13677540), (1542, 13411440), (1620, 12765704), (1680, 12309786), (1774, 11657520), (1799, 11495520), (1890, 10942032), (2016, 10258155), (2056, 10058580), (2160, 9574278), (2268, 9118360), (2313, 8940960), (2520, 8206524), (2570, 8046864), (2592, 7978565), (2661, 7771680), (2835, 7294688), (3024, 6838770), (3084, 6705720), (3240, 6382852), (3360, 6154893), (3548, 5828760), (3598, 5747760), (3780, 5471016), (3855, 5364576), (4112, 5029290), (4320, 4787139), (4435, 4663008), (4536, 4559180), (4626, 4470480), (5040, 4103262), (5140, 4023432), (5322, 3885840), (5397, 3831840), (5670, 3647344), (6048, 3419385), (6168, 3352860), (6209, 3330720), (6480, 3191426), (6939, 2980320), (7096, 2914380), (7196, 2873880), (7560, 2735508), (7710, 2682288), (7983, 2590560), (8224, 2514645), (8870, 2331504), (8995, 2299104), (9072, 2279590), (9252, 2235240), (10080, 2051631), (10280, 2011716), (10644, 1942920), (10794, 1915920), (11340, 1823672), (11565, 1788192), (12336, 1676430), (12418, 1665360), (12960, 1595713), (13305, 1554336), (13878, 1490160), (14192, 1457190), (14392, 1436940), (15120, 1367754), (15420, 1341144), (15966, 1295280), (16191, 1277280), (17740, 1165752), (17990, 1149552), (18144, 1139795), (18504, 1117620), (18627, 1110240), (20560, 1005858), (20817, 993440), (21288, 971460), (21588, 957960), (22680, 911836), (23130, 894096), (23949, 863520), (24672, 838215), (24836, 832680), (26610, 777168), (26985, 766368), (27756, 745080), (28384, 728595), (28784, 718470), (30240, 683877), (30840, 670572), (31045, 666144), (31932, 647640), (32382, 638640), (34695, 596064), (35480, 582876), (35980, 574776), (37008, 558810), (37254, 555120), (39915, 518112), (41120, 502929), (41634, 496720), (42576, 485730), (43176, 478980), (45360, 455918), (46260, 447048), (47898, 431760), (48573, 425760), (49672, 416340), (53220, 388584), (53970, 383184), (55512, 372540), (55881, 370080), (57568, 359235), (61680, 335286), (62090, 333072), (63864, 323820), (64764, 319320), (69390, 298032), (70960, 291438), (71847, 287840), (71960, 287388), (74016, 279405), (74508, 277560), (79830, 259056), (80955, 255456), (83268, 248360), (85152, 242865), (86352, 239490), (90720, 227959), (92520, 223524), (93135, 222048), (95796, 215880), (97146, 212880), (99344, 208170), (104085, 198688), (106440, 194292), (107940, 191592), (111024, 186270), (111762, 185040), (119745, 172704), (123360, 167643), (124180, 166536), (127728, 161910), (129528, 159660), (138780, 149016), (141920, 145719), (143694, 143920)]