20715481920

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{1217}}^1$

素因数の和:1410

約数の個数: 448

約数和(自身を含む): 80189222400

約数和(自身を除く): 59473740480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 24, 28, 30, 32, 34, 35, 40, 42, 48, 51, 56, 60, 64, 68, 70, 80, 84, 85, 96, 102, 105, 112, 119, 120, 136, 140, 149, 160, 168, 170, 192, 204, 210, 224, 238, 240, 255, 272, 280, 298, 320, 336, 340, 357, 408, 420, 447, 448, 476, 480, 510, 544, 560, 595, 596, 672, 680, 714, 745, 816, 840, 894, 952, 960, 1020, 1043, 1088, 1120, 1190, 1192, 1217, 1344, 1360, 1428, 1490, 1632, 1680, 1785, 1788, 1904, 2040, 2086, 2235, 2240, 2380, 2384, 2434, 2533, 2720, 2856, 2980, 3129, 3264, 3360, 3570, 3576, 3651, 3808, 4080, 4172, 4470, 4760, 4768, 4868, 5066, 5215, 5440, 5712, 5960, 6085, 6258, 6720, 7140, 7152, 7302, 7599, 7616, 8160, 8344, 8519, 8940, 9520, 9536, 9736, 10132, 10430, 11424, 11920, 12170, 12516, 12665, 14280, 14304, 14604, 15198, 15645, 16320, 16688, 17038, 17731, 17880, 18255, 19040, 19472, 20264, 20689, 20860, 22848, 23840, 24340, 25032, 25330, 25557, 28560, 28608, 29208, 30396, 31290, 33376, 34076, 35462, 35760, 36510, 37995, 38080, 38944, 40528, 41378, 41720, 42595, 47680, 48680, 50064, 50660, 51114, 53193, 57120, 58416, 60792, 62067, 62580, 66752, 68152, 70924, 71520, 73020, 75990, 77888, 81056, 82756, 83440, 85190, 88655, 97360, 100128, 101320, 102228, 103445, 106386, 114240, 116832, 121584, 124134, 125160, 127785, 136304, 141848, 143040, 144823, 146040, 151980, 162112, 165512, 166880, 170380, 177310, 181333, 194720, 200256, 202640, 204456, 206890, 212772, 233664, 243168, 248268, 250320, 255570, 265965, 272608, 283696, 289646, 292080, 303960, 310335, 331024, 333760, 340760, 354620, 362666, 389440, 405280, 408912, 413780, 425544, 434469, 486336, 496536, 500640, 511140, 531930, 543999, 545216, 567392, 579292, 584160, 607920, 620670, 662048, 681520, 709240, 724115, 725332, 810560, 817824, 827560, 851088, 868938, 906665, 993072, 1001280, 1022280, 1063860, 1087998, 1134784, 1158584, 1168320, 1215840, 1241340, 1269331, 1324096, 1363040, 1418480, 1448230, 1450664, 1635648, 1655120, 1702176, 1737876, 1813330, 1986144, 2044560, 2127720, 2172345, 2175996, 2317168, 2431680, 2482680, 2538662, 2719995, 2726080, 2836960, 2896460, 2901328, 3082661, 3310240, 3404352, 3475752, 3626660, 3807993, 3972288, 4089120, 4255440, 4344690, 4351992, 4634336, 4965360, 5077324, 5439990, 5673920, 5792920, 5802656, 6165322, 6346655, 6620480, 6951504, 7253320, 7615986, 8178240, 8510880, 8689380, 8703984, 9247983, 9268672, 9930720, 10154648, 10879980, 11585840, 11605312, 12330644, 12693310, 13903008, 14506640, 15231972, 15413305, 17021760, 17378760, 17407968, 18495966, 19039965, 19861440, 20309296, 21578627, 21759960, 23171680, 24661288, 25386620, 27806016, 29013280, 30463944, 30826610, 34757520, 34815936, 36991932, 38079930, 40618592, 43157254, 43519920, 46239915, 46343360, 49322576, 50773240, 58026560, 60927888, 61653220, 64735881, 69515040, 73983864, 76159860, 81237184, 86314508, 87039840, 92479830, 98645152, 101546480, 107893135, 121855776, 123306440, 129471762, 139030080, 147967728, 152319720, 172629016, 174079680, 184959660, 197290304, 203092960, 215786270, 243711552, 246612880, 258943524, 295935456, 304639440, 323679405, 345258032, 369919320, 406185920, 431572540, 493225760, 517887048, 591870912, 609278880, 647358810, 690516064, 739838640, 863145080, 986451520, 1035774096, 1218557760, 1294717620, 1381032128, 1479677280, 1726290160, 2071548192, 2589435240, 2959354560, 3452580320, 4143096384, 5178870480, 6905160640, 10357740960, 20715481920]

約数ペア:

[(1, 20715481920), (2, 10357740960), (3, 6905160640), (4, 5178870480), (5, 4143096384), (6, 3452580320), (7, 2959354560), (8, 2589435240), (10, 2071548192), (12, 1726290160), (14, 1479677280), (15, 1381032128), (16, 1294717620), (17, 1218557760), (20, 1035774096), (21, 986451520), (24, 863145080), (28, 739838640), (30, 690516064), (32, 647358810), (34, 609278880), (35, 591870912), (40, 517887048), (42, 493225760), (48, 431572540), (51, 406185920), (56, 369919320), (60, 345258032), (64, 323679405), (68, 304639440), (70, 295935456), (80, 258943524), (84, 246612880), (85, 243711552), (96, 215786270), (102, 203092960), (105, 197290304), (112, 184959660), (119, 174079680), (120, 172629016), (136, 152319720), (140, 147967728), (149, 139030080), (160, 129471762), (168, 123306440), (170, 121855776), (192, 107893135), (204, 101546480), (210, 98645152), (224, 92479830), (238, 87039840), (240, 86314508), (255, 81237184), (272, 76159860), (280, 73983864), (298, 69515040), (320, 64735881), (336, 61653220), (340, 60927888), (357, 58026560), (408, 50773240), (420, 49322576), (447, 46343360), (448, 46239915), (476, 43519920), (480, 43157254), (510, 40618592), (544, 38079930), (560, 36991932), (595, 34815936), (596, 34757520), (672, 30826610), (680, 30463944), (714, 29013280), (745, 27806016), (816, 25386620), (840, 24661288), (894, 23171680), (952, 21759960), (960, 21578627), (1020, 20309296), (1043, 19861440), (1088, 19039965), (1120, 18495966), (1190, 17407968), (1192, 17378760), (1217, 17021760), (1344, 15413305), (1360, 15231972), (1428, 14506640), (1490, 13903008), (1632, 12693310), (1680, 12330644), (1785, 11605312), (1788, 11585840), (1904, 10879980), (2040, 10154648), (2086, 9930720), (2235, 9268672), (2240, 9247983), (2380, 8703984), (2384, 8689380), (2434, 8510880), (2533, 8178240), (2720, 7615986), (2856, 7253320), (2980, 6951504), (3129, 6620480), (3264, 6346655), (3360, 6165322), (3570, 5802656), (3576, 5792920), (3651, 5673920), (3808, 5439990), (4080, 5077324), (4172, 4965360), (4470, 4634336), (4760, 4351992), (4768, 4344690), (4868, 4255440), (5066, 4089120), (5215, 3972288), (5440, 3807993), (5712, 3626660), (5960, 3475752), (6085, 3404352), (6258, 3310240), (6720, 3082661), (7140, 2901328), (7152, 2896460), (7302, 2836960), (7599, 2726080), (7616, 2719995), (8160, 2538662), (8344, 2482680), (8519, 2431680), (8940, 2317168), (9520, 2175996), (9536, 2172345), (9736, 2127720), (10132, 2044560), (10430, 1986144), (11424, 1813330), (11920, 1737876), (12170, 1702176), (12516, 1655120), (12665, 1635648), (14280, 1450664), (14304, 1448230), (14604, 1418480), (15198, 1363040), (15645, 1324096), (16320, 1269331), (16688, 1241340), (17038, 1215840), (17731, 1168320), (17880, 1158584), (18255, 1134784), (19040, 1087998), (19472, 1063860), (20264, 1022280), (20689, 1001280), (20860, 993072), (22848, 906665), (23840, 868938), (24340, 851088), (25032, 827560), (25330, 817824), (25557, 810560), (28560, 725332), (28608, 724115), (29208, 709240), (30396, 681520), (31290, 662048), (33376, 620670), (34076, 607920), (35462, 584160), (35760, 579292), (36510, 567392), (37995, 545216), (38080, 543999), (38944, 531930), (40528, 511140), (41378, 500640), (41720, 496536), (42595, 486336), (47680, 434469), (48680, 425544), (50064, 413780), (50660, 408912), (51114, 405280), (53193, 389440), (57120, 362666), (58416, 354620), (60792, 340760), (62067, 333760), (62580, 331024), (66752, 310335), (68152, 303960), (70924, 292080), (71520, 289646), (73020, 283696), (75990, 272608), (77888, 265965), (81056, 255570), (82756, 250320), (83440, 248268), (85190, 243168), (88655, 233664), (97360, 212772), (100128, 206890), (101320, 204456), (102228, 202640), (103445, 200256), (106386, 194720), (114240, 181333), (116832, 177310), (121584, 170380), (124134, 166880), (125160, 165512), (127785, 162112), (136304, 151980), (141848, 146040), (143040, 144823)]