21757808640

素因数分解:

$2^{12}\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{173}}^1$

素因数の和:317

約数の個数: 416

約数和(自身を含む): 73884130560

約数和(自身を除く): 52126321920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 64, 69, 80, 89, 92, 96, 115, 120, 128, 138, 160, 173, 178, 184, 192, 230, 240, 256, 267, 276, 320, 345, 346, 356, 368, 384, 445, 460, 480, 512, 519, 534, 552, 640, 690, 692, 712, 736, 768, 865, 890, 920, 960, 1024, 1038, 1068, 1104, 1280, 1335, 1380, 1384, 1424, 1472, 1536, 1730, 1780, 1840, 1920, 2047, 2048, 2076, 2136, 2208, 2560, 2595, 2670, 2760, 2768, 2848, 2944, 3072, 3460, 3560, 3680, 3840, 3979, 4094, 4096, 4152, 4272, 4416, 5120, 5190, 5340, 5520, 5536, 5696, 5888, 6141, 6144, 6920, 7120, 7360, 7680, 7958, 8188, 8304, 8544, 8832, 10235, 10240, 10380, 10680, 11040, 11072, 11392, 11776, 11937, 12282, 12288, 13840, 14240, 14720, 15360, 15397, 15916, 16376, 16608, 17088, 17664, 19895, 20470, 20480, 20760, 21360, 22080, 22144, 22784, 23552, 23874, 24564, 27680, 28480, 29440, 30705, 30720, 30794, 31832, 32752, 33216, 34176, 35328, 39790, 40940, 41520, 42720, 44160, 44288, 45568, 46191, 47104, 47748, 49128, 55360, 56960, 58880, 59685, 61410, 61440, 61588, 63664, 65504, 66432, 68352, 70656, 76985, 79580, 81880, 83040, 85440, 88320, 88576, 91136, 92382, 94208, 95496, 98256, 110720, 113920, 117760, 119370, 122820, 123176, 127328, 131008, 132864, 136704, 141312, 153970, 159160, 163760, 166080, 170880, 176640, 177152, 182272, 184764, 190992, 196512, 221440, 227840, 230955, 235520, 238740, 245640, 246352, 254656, 262016, 265728, 273408, 282624, 307940, 318320, 327520, 332160, 341760, 353280, 354131, 354304, 364544, 369528, 381984, 393024, 442880, 455680, 461910, 471040, 477480, 491280, 492704, 509312, 524032, 531456, 546816, 615880, 636640, 655040, 664320, 683520, 706560, 708262, 708608, 739056, 763968, 786048, 885760, 911360, 923820, 954960, 982560, 985408, 1018624, 1048064, 1062393, 1062912, 1093632, 1231760, 1273280, 1310080, 1328640, 1367040, 1413120, 1416524, 1478112, 1527936, 1572096, 1770655, 1771520, 1822720, 1847640, 1909920, 1965120, 1970816, 2037248, 2096128, 2124786, 2125824, 2463520, 2546560, 2620160, 2657280, 2734080, 2833048, 2956224, 3055872, 3144192, 3541310, 3543040, 3695280, 3819840, 3930240, 3941632, 4074496, 4192256, 4249572, 4927040, 5093120, 5240320, 5311965, 5314560, 5468160, 5666096, 5912448, 6111744, 6288384, 7082620, 7390560, 7639680, 7860480, 7883264, 8148992, 8384512, 8499144, 9854080, 10186240, 10480640, 10623930, 10629120, 11332192, 11824896, 12223488, 12576768, 14165240, 14781120, 15279360, 15720960, 15766528, 16297984, 16998288, 19708160, 20372480, 20961280, 21247860, 22664384, 23649792, 24446976, 25153536, 28330480, 29562240, 30558720, 31441920, 31533056, 33996576, 39416320, 40744960, 41922560, 42495720, 45328768, 47299584, 48893952, 56660960, 59124480, 61117440, 62883840, 63066112, 67993152, 78832640, 81489920, 84991440, 90657536, 94599168, 113321920, 118248960, 122234880, 125767680, 135986304, 157665280, 169982880, 181315072, 189198336, 226643840, 236497920, 244469760, 271972608, 315330560, 339965760, 362630144, 453287680, 472995840, 543945216, 679931520, 725260288, 906575360, 945991680, 1087890432, 1359863040, 1450520576, 1813150720, 2175780864, 2719726080, 3626301440, 4351561728, 5439452160, 7252602880, 10878904320, 21757808640]

約数ペア:

[(1, 21757808640), (2, 10878904320), (3, 7252602880), (4, 5439452160), (5, 4351561728), (6, 3626301440), (8, 2719726080), (10, 2175780864), (12, 1813150720), (15, 1450520576), (16, 1359863040), (20, 1087890432), (23, 945991680), (24, 906575360), (30, 725260288), (32, 679931520), (40, 543945216), (46, 472995840), (48, 453287680), (60, 362630144), (64, 339965760), (69, 315330560), (80, 271972608), (89, 244469760), (92, 236497920), (96, 226643840), (115, 189198336), (120, 181315072), (128, 169982880), (138, 157665280), (160, 135986304), (173, 125767680), (178, 122234880), (184, 118248960), (192, 113321920), (230, 94599168), (240, 90657536), (256, 84991440), (267, 81489920), (276, 78832640), (320, 67993152), (345, 63066112), (346, 62883840), (356, 61117440), (368, 59124480), (384, 56660960), (445, 48893952), (460, 47299584), (480, 45328768), (512, 42495720), (519, 41922560), (534, 40744960), (552, 39416320), (640, 33996576), (690, 31533056), (692, 31441920), (712, 30558720), (736, 29562240), (768, 28330480), (865, 25153536), (890, 24446976), (920, 23649792), (960, 22664384), (1024, 21247860), (1038, 20961280), (1068, 20372480), (1104, 19708160), (1280, 16998288), (1335, 16297984), (1380, 15766528), (1384, 15720960), (1424, 15279360), (1472, 14781120), (1536, 14165240), (1730, 12576768), (1780, 12223488), (1840, 11824896), (1920, 11332192), (2047, 10629120), (2048, 10623930), (2076, 10480640), (2136, 10186240), (2208, 9854080), (2560, 8499144), (2595, 8384512), (2670, 8148992), (2760, 7883264), (2768, 7860480), (2848, 7639680), (2944, 7390560), (3072, 7082620), (3460, 6288384), (3560, 6111744), (3680, 5912448), (3840, 5666096), (3979, 5468160), (4094, 5314560), (4096, 5311965), (4152, 5240320), (4272, 5093120), (4416, 4927040), (5120, 4249572), (5190, 4192256), (5340, 4074496), (5520, 3941632), (5536, 3930240), (5696, 3819840), (5888, 3695280), (6141, 3543040), (6144, 3541310), (6920, 3144192), (7120, 3055872), (7360, 2956224), (7680, 2833048), (7958, 2734080), (8188, 2657280), (8304, 2620160), (8544, 2546560), (8832, 2463520), (10235, 2125824), (10240, 2124786), (10380, 2096128), (10680, 2037248), (11040, 1970816), (11072, 1965120), (11392, 1909920), (11776, 1847640), (11937, 1822720), (12282, 1771520), (12288, 1770655), (13840, 1572096), (14240, 1527936), (14720, 1478112), (15360, 1416524), (15397, 1413120), (15916, 1367040), (16376, 1328640), (16608, 1310080), (17088, 1273280), (17664, 1231760), (19895, 1093632), (20470, 1062912), (20480, 1062393), (20760, 1048064), (21360, 1018624), (22080, 985408), (22144, 982560), (22784, 954960), (23552, 923820), (23874, 911360), (24564, 885760), (27680, 786048), (28480, 763968), (29440, 739056), (30705, 708608), (30720, 708262), (30794, 706560), (31832, 683520), (32752, 664320), (33216, 655040), (34176, 636640), (35328, 615880), (39790, 546816), (40940, 531456), (41520, 524032), (42720, 509312), (44160, 492704), (44288, 491280), (45568, 477480), (46191, 471040), (47104, 461910), (47748, 455680), (49128, 442880), (55360, 393024), (56960, 381984), (58880, 369528), (59685, 364544), (61410, 354304), (61440, 354131), (61588, 353280), (63664, 341760), (65504, 332160), (66432, 327520), (68352, 318320), (70656, 307940), (76985, 282624), (79580, 273408), (81880, 265728), (83040, 262016), (85440, 254656), (88320, 246352), (88576, 245640), (91136, 238740), (92382, 235520), (94208, 230955), (95496, 227840), (98256, 221440), (110720, 196512), (113920, 190992), (117760, 184764), (119370, 182272), (122820, 177152), (123176, 176640), (127328, 170880), (131008, 166080), (132864, 163760), (136704, 159160), (141312, 153970)]