20978680320

素因数分解:

$2^9\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{631}}^1$

素因数の和:713

約数の個数: 640

約数和(自身を含む): 82549716480

約数和(自身を除く): 61571036160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 37, 39, 40, 45, 48, 52, 54, 60, 64, 65, 72, 74, 78, 80, 90, 96, 104, 108, 111, 117, 120, 128, 130, 135, 144, 148, 156, 160, 180, 185, 192, 195, 208, 216, 222, 234, 240, 256, 260, 270, 288, 296, 312, 320, 333, 351, 360, 370, 384, 390, 416, 432, 444, 468, 480, 481, 512, 520, 540, 555, 576, 585, 592, 624, 631, 640, 666, 702, 720, 740, 768, 780, 832, 864, 888, 936, 960, 962, 999, 1040, 1080, 1110, 1152, 1170, 1184, 1248, 1262, 1280, 1332, 1404, 1440, 1443, 1480, 1536, 1560, 1664, 1665, 1728, 1755, 1776, 1872, 1893, 1920, 1924, 1998, 2080, 2160, 2220, 2304, 2340, 2368, 2405, 2496, 2524, 2560, 2664, 2808, 2880, 2886, 2960, 3120, 3155, 3328, 3330, 3456, 3510, 3552, 3744, 3786, 3840, 3848, 3996, 4160, 4320, 4329, 4440, 4608, 4680, 4736, 4810, 4992, 4995, 5048, 5328, 5616, 5679, 5760, 5772, 5920, 6240, 6310, 6656, 6660, 6912, 7020, 7104, 7215, 7488, 7572, 7680, 7696, 7992, 8203, 8320, 8640, 8658, 8880, 9360, 9465, 9472, 9620, 9984, 9990, 10096, 10656, 11232, 11358, 11520, 11544, 11840, 12480, 12620, 12987, 13320, 13824, 14040, 14208, 14430, 14976, 15144, 15392, 15984, 16406, 16640, 17037, 17280, 17316, 17760, 18720, 18930, 18944, 19240, 19968, 19980, 20192, 21312, 21645, 22464, 22716, 23040, 23088, 23347, 23680, 24609, 24960, 25240, 25974, 26640, 28080, 28395, 28416, 28860, 29952, 30288, 30784, 31968, 32812, 33280, 34074, 34560, 34632, 35520, 37440, 37860, 38480, 39960, 40384, 41015, 42624, 43290, 44928, 45432, 46176, 46694, 47360, 49218, 49920, 50480, 51948, 53280, 56160, 56790, 56832, 57720, 59904, 60576, 61568, 63936, 64935, 65624, 68148, 69120, 69264, 70041, 71040, 73827, 74880, 75720, 76960, 79920, 80768, 82030, 85185, 85248, 86580, 89856, 90864, 92352, 93388, 94720, 98436, 99840, 100960, 103896, 106560, 112320, 113580, 115440, 116735, 121152, 123045, 123136, 127872, 129870, 131248, 136296, 138528, 140082, 142080, 147654, 149760, 151440, 153920, 159840, 161536, 164060, 170370, 170496, 173160, 179712, 181728, 184704, 186776, 196872, 201920, 207792, 210123, 213120, 221481, 224640, 227160, 230880, 233470, 242304, 246090, 246272, 255744, 259740, 262496, 272592, 277056, 280164, 284160, 295308, 299520, 302880, 303511, 307840, 319680, 323072, 328120, 340740, 346320, 350205, 363456, 369135, 369408, 373552, 393744, 403840, 415584, 420246, 426240, 442962, 449280, 454320, 461760, 466940, 484608, 492180, 511488, 519480, 524992, 545184, 554112, 560328, 590616, 605760, 607022, 615680, 630369, 639360, 656240, 681480, 692640, 700410, 726912, 738270, 738816, 747104, 787488, 807680, 831168, 840492, 852480, 885924, 898560, 908640, 910533, 923520, 933880, 969216, 984360, 1038960, 1049984, 1050615, 1090368, 1107405, 1108224, 1120656, 1181232, 1211520, 1214044, 1231360, 1260738, 1278720, 1312480, 1362960, 1385280, 1400820, 1453824, 1476540, 1494208, 1517555, 1574976, 1615360, 1662336, 1680984, 1771848, 1817280, 1821066, 1847040, 1867760, 1968720, 2077920, 2099968, 2101230, 2180736, 2214810, 2216448, 2241312, 2362464, 2423040, 2428088, 2521476, 2557440, 2624960, 2725920, 2731599, 2770560, 2801640, 2907648, 2953080, 2988416, 3035110, 3149952, 3151845, 3324672, 3361968, 3543696, 3634560, 3642132, 3694080, 3735520, 3937440, 4155840, 4199936, 4202460, 4361472, 4429620, 4482624, 4552665, 4724928, 4846080, 4856176, 5042952, 5249920, 5451840, 5463198, 5541120, 5603280, 5906160, 5976832, 6070220, 6299904, 6303690, 6649344, 6723936, 7087392, 7269120, 7284264, 7471040, 7874880, 8194797, 8311680, 8404920, 8722944, 8859240, 8965248, 9105330, 9449856, 9712352, 10085904, 10499840, 10903680, 10926396, 11082240, 11206560, 11812320, 11953664, 12140440, 12599808, 12607380, 13447872, 13657995, 14174784, 14538240, 14568528, 14942080, 15749760, 16389594, 16623360, 16809840, 17718480, 17930496, 18210660, 18899712, 19424704, 20171808, 20999680, 21807360, 21852792, 22413120, 23624640, 24280880, 25214760, 26895744, 27315990, 28349568, 29137056, 29884160, 31499520, 32779188, 33246720, 33619680, 35436960, 35860992, 36421320, 37799424, 38849408, 40343616, 40973985, 43614720, 43705584, 44826240, 47249280, 48561760, 50429520, 53791488, 54631980, 56699136, 58274112, 59768320, 62999040, 65558376, 67239360, 70873920, 72842640, 77698816, 80687232, 81947970, 87411168, 89652480, 94498560, 97123520, 100859040, 107582976, 109263960, 113398272, 116548224, 131116752, 134478720, 141747840, 145685280, 155397632, 161374464, 163895940, 174822336, 179304960, 188997120, 194247040, 201718080, 218527920, 233096448, 262233504, 268957440, 283495680, 291370560, 322748928, 327791880, 349644672, 388494080, 403436160, 437055840, 466192896, 524467008, 537914880, 566991360, 582741120, 655583760, 699289344, 776988160, 806872320, 874111680, 1048934016, 1165482240, 1311167520, 1398578688, 1613744640, 1748223360, 2097868032, 2330964480, 2622335040, 3496446720, 4195736064, 5244670080, 6992893440, 10489340160, 20978680320]

約数ペア:

[(1, 20978680320), (2, 10489340160), (3, 6992893440), (4, 5244670080), (5, 4195736064), (6, 3496446720), (8, 2622335040), (9, 2330964480), (10, 2097868032), (12, 1748223360), (13, 1613744640), (15, 1398578688), (16, 1311167520), (18, 1165482240), (20, 1048934016), (24, 874111680), (26, 806872320), (27, 776988160), (30, 699289344), (32, 655583760), (36, 582741120), (37, 566991360), (39, 537914880), (40, 524467008), (45, 466192896), (48, 437055840), (52, 403436160), (54, 388494080), (60, 349644672), (64, 327791880), (65, 322748928), (72, 291370560), (74, 283495680), (78, 268957440), (80, 262233504), (90, 233096448), (96, 218527920), (104, 201718080), (108, 194247040), (111, 188997120), (117, 179304960), (120, 174822336), (128, 163895940), (130, 161374464), (135, 155397632), (144, 145685280), (148, 141747840), (156, 134478720), (160, 131116752), (180, 116548224), (185, 113398272), (192, 109263960), (195, 107582976), (208, 100859040), (216, 97123520), (222, 94498560), (234, 89652480), (240, 87411168), (256, 81947970), (260, 80687232), (270, 77698816), (288, 72842640), (296, 70873920), (312, 67239360), (320, 65558376), (333, 62999040), (351, 59768320), (360, 58274112), (370, 56699136), (384, 54631980), (390, 53791488), (416, 50429520), (432, 48561760), (444, 47249280), (468, 44826240), (480, 43705584), (481, 43614720), (512, 40973985), (520, 40343616), (540, 38849408), (555, 37799424), (576, 36421320), (585, 35860992), (592, 35436960), (624, 33619680), (631, 33246720), (640, 32779188), (666, 31499520), (702, 29884160), (720, 29137056), (740, 28349568), (768, 27315990), (780, 26895744), (832, 25214760), (864, 24280880), (888, 23624640), (936, 22413120), (960, 21852792), (962, 21807360), (999, 20999680), (1040, 20171808), (1080, 19424704), (1110, 18899712), (1152, 18210660), (1170, 17930496), (1184, 17718480), (1248, 16809840), (1262, 16623360), (1280, 16389594), (1332, 15749760), (1404, 14942080), (1440, 14568528), (1443, 14538240), (1480, 14174784), (1536, 13657995), (1560, 13447872), (1664, 12607380), (1665, 12599808), (1728, 12140440), (1755, 11953664), (1776, 11812320), (1872, 11206560), (1893, 11082240), (1920, 10926396), (1924, 10903680), (1998, 10499840), (2080, 10085904), (2160, 9712352), (2220, 9449856), (2304, 9105330), (2340, 8965248), (2368, 8859240), (2405, 8722944), (2496, 8404920), (2524, 8311680), (2560, 8194797), (2664, 7874880), (2808, 7471040), (2880, 7284264), (2886, 7269120), (2960, 7087392), (3120, 6723936), (3155, 6649344), (3328, 6303690), (3330, 6299904), (3456, 6070220), (3510, 5976832), (3552, 5906160), (3744, 5603280), (3786, 5541120), (3840, 5463198), (3848, 5451840), (3996, 5249920), (4160, 5042952), (4320, 4856176), (4329, 4846080), (4440, 4724928), (4608, 4552665), (4680, 4482624), (4736, 4429620), (4810, 4361472), (4992, 4202460), (4995, 4199936), (5048, 4155840), (5328, 3937440), (5616, 3735520), (5679, 3694080), (5760, 3642132), (5772, 3634560), (5920, 3543696), (6240, 3361968), (6310, 3324672), (6656, 3151845), (6660, 3149952), (6912, 3035110), (7020, 2988416), (7104, 2953080), (7215, 2907648), (7488, 2801640), (7572, 2770560), (7680, 2731599), (7696, 2725920), (7992, 2624960), (8203, 2557440), (8320, 2521476), (8640, 2428088), (8658, 2423040), (8880, 2362464), (9360, 2241312), (9465, 2216448), (9472, 2214810), (9620, 2180736), (9984, 2101230), (9990, 2099968), (10096, 2077920), (10656, 1968720), (11232, 1867760), (11358, 1847040), (11520, 1821066), (11544, 1817280), (11840, 1771848), (12480, 1680984), (12620, 1662336), (12987, 1615360), (13320, 1574976), (13824, 1517555), (14040, 1494208), (14208, 1476540), (14430, 1453824), (14976, 1400820), (15144, 1385280), (15392, 1362960), (15984, 1312480), (16406, 1278720), (16640, 1260738), (17037, 1231360), (17280, 1214044), (17316, 1211520), (17760, 1181232), (18720, 1120656), (18930, 1108224), (18944, 1107405), (19240, 1090368), (19968, 1050615), (19980, 1049984), (20192, 1038960), (21312, 984360), (21645, 969216), (22464, 933880), (22716, 923520), (23040, 910533), (23088, 908640), (23347, 898560), (23680, 885924), (24609, 852480), (24960, 840492), (25240, 831168), (25974, 807680), (26640, 787488), (28080, 747104), (28395, 738816), (28416, 738270), (28860, 726912), (29952, 700410), (30288, 692640), (30784, 681480), (31968, 656240), (32812, 639360), (33280, 630369), (34074, 615680), (34560, 607022), (34632, 605760), (35520, 590616), (37440, 560328), (37860, 554112), (38480, 545184), (39960, 524992), (40384, 519480), (41015, 511488), (42624, 492180), (43290, 484608), (44928, 466940), (45432, 461760), (46176, 454320), (46694, 449280), (47360, 442962), (49218, 426240), (49920, 420246), (50480, 415584), (51948, 403840), (53280, 393744), (56160, 373552), (56790, 369408), (56832, 369135), (57720, 363456), (59904, 350205), (60576, 346320), (61568, 340740), (63936, 328120), (64935, 323072), (65624, 319680), (68148, 307840), (69120, 303511), (69264, 302880), (70041, 299520), (71040, 295308), (73827, 284160), (74880, 280164), (75720, 277056), (76960, 272592), (79920, 262496), (80768, 259740), (82030, 255744), (85185, 246272), (85248, 246090), (86580, 242304), (89856, 233470), (90864, 230880), (92352, 227160), (93388, 224640), (94720, 221481), (98436, 213120), (99840, 210123), (100960, 207792), (103896, 201920), (106560, 196872), (112320, 186776), (113580, 184704), (115440, 181728), (116735, 179712), (121152, 173160), (123045, 170496), (123136, 170370), (127872, 164060), (129870, 161536), (131248, 159840), (136296, 153920), (138528, 151440), (140082, 149760), (142080, 147654)]