21491124480

素因数分解:

$2^8\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{8597}}^1$

素因数の和:8662

約数の個数: 432

約数和(自身を含む): 87730965504

約数和(自身を除く): 66239841024

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 31, 32, 35, 36, 40, 42, 45, 48, 56, 60, 62, 63, 64, 70, 72, 80, 84, 90, 93, 96, 105, 112, 120, 124, 126, 128, 140, 144, 155, 160, 168, 180, 186, 192, 210, 217, 224, 240, 248, 252, 256, 279, 280, 288, 310, 315, 320, 336, 360, 372, 384, 420, 434, 448, 465, 480, 496, 504, 558, 560, 576, 620, 630, 640, 651, 672, 720, 744, 768, 840, 868, 896, 930, 960, 992, 1008, 1085, 1116, 1120, 1152, 1240, 1260, 1280, 1302, 1344, 1395, 1440, 1488, 1680, 1736, 1792, 1860, 1920, 1953, 1984, 2016, 2170, 2232, 2240, 2304, 2480, 2520, 2604, 2688, 2790, 2880, 2976, 3255, 3360, 3472, 3720, 3840, 3906, 3968, 4032, 4340, 4464, 4480, 4960, 5040, 5208, 5376, 5580, 5760, 5952, 6510, 6720, 6944, 7440, 7812, 7936, 8064, 8597, 8680, 8928, 8960, 9765, 9920, 10080, 10416, 11160, 11520, 11904, 13020, 13440, 13888, 14880, 15624, 16128, 17194, 17360, 17856, 19530, 19840, 20160, 20832, 22320, 23808, 25791, 26040, 26880, 27776, 29760, 31248, 34388, 34720, 35712, 39060, 39680, 40320, 41664, 42985, 44640, 51582, 52080, 55552, 59520, 60179, 62496, 68776, 69440, 71424, 77373, 78120, 80640, 83328, 85970, 89280, 103164, 104160, 119040, 120358, 124992, 128955, 137552, 138880, 154746, 156240, 166656, 171940, 178560, 180537, 206328, 208320, 240716, 249984, 257910, 266507, 275104, 277760, 300895, 309492, 312480, 343880, 357120, 361074, 386865, 412656, 416640, 481432, 499968, 515820, 533014, 541611, 550208, 601790, 618984, 624960, 687760, 722148, 773730, 799521, 825312, 833280, 902685, 962864, 1031640, 1066028, 1083222, 1100416, 1203580, 1237968, 1249920, 1332535, 1375520, 1444296, 1547460, 1599042, 1650624, 1805370, 1865549, 1925728, 2063280, 2132056, 2166444, 2200832, 2398563, 2407160, 2475936, 2499840, 2665070, 2708055, 2751040, 2888592, 3094920, 3198084, 3301248, 3610740, 3731098, 3851456, 3997605, 4126560, 4264112, 4332888, 4797126, 4814320, 4951872, 5330140, 5416110, 5502080, 5596647, 5777184, 6189840, 6396168, 6602496, 7221480, 7462196, 7702912, 7995210, 8253120, 8528224, 8665776, 9327745, 9594252, 9628640, 9903744, 10660280, 10832220, 11004160, 11193294, 11554368, 11992815, 12379680, 12792336, 14442960, 14924392, 15405824, 15990420, 16506240, 16789941, 17056448, 17331552, 18655490, 19188504, 19257280, 19807488, 21320560, 21664440, 22386588, 23108736, 23985630, 24759360, 25584672, 27983235, 28885920, 29848784, 31980840, 33012480, 33579882, 34112896, 34663104, 37310980, 38377008, 38514560, 42641120, 43328880, 44773176, 46217472, 47971260, 49518720, 51169344, 55966470, 57771840, 59697568, 63961680, 67159764, 68225792, 69326208, 74621960, 76754016, 77029120, 83949705, 85282240, 86657760, 89546352, 95942520, 99037440, 102338688, 111932940, 115543680, 119395136, 127923360, 134319528, 138652416, 149243920, 153508032, 167899410, 170564480, 173315520, 179092704, 191885040, 204677376, 223865880, 231087360, 238790272, 255846720, 268639056, 298487840, 307016064, 335798820, 341128960, 346631040, 358185408, 383770080, 447731760, 477580544, 511693440, 537278112, 596975680, 614032128, 671597640, 693262080, 716370816, 767540160, 895463520, 1023386880, 1074556224, 1193951360, 1343195280, 1432741632, 1535080320, 1790927040, 2149112448, 2387902720, 2686390560, 3070160640, 3581854080, 4298224896, 5372781120, 7163708160, 10745562240, 21491124480]

約数ペア:

[(1, 21491124480), (2, 10745562240), (3, 7163708160), (4, 5372781120), (5, 4298224896), (6, 3581854080), (7, 3070160640), (8, 2686390560), (9, 2387902720), (10, 2149112448), (12, 1790927040), (14, 1535080320), (15, 1432741632), (16, 1343195280), (18, 1193951360), (20, 1074556224), (21, 1023386880), (24, 895463520), (28, 767540160), (30, 716370816), (31, 693262080), (32, 671597640), (35, 614032128), (36, 596975680), (40, 537278112), (42, 511693440), (45, 477580544), (48, 447731760), (56, 383770080), (60, 358185408), (62, 346631040), (63, 341128960), (64, 335798820), (70, 307016064), (72, 298487840), (80, 268639056), (84, 255846720), (90, 238790272), (93, 231087360), (96, 223865880), (105, 204677376), (112, 191885040), (120, 179092704), (124, 173315520), (126, 170564480), (128, 167899410), (140, 153508032), (144, 149243920), (155, 138652416), (160, 134319528), (168, 127923360), (180, 119395136), (186, 115543680), (192, 111932940), (210, 102338688), (217, 99037440), (224, 95942520), (240, 89546352), (248, 86657760), (252, 85282240), (256, 83949705), (279, 77029120), (280, 76754016), (288, 74621960), (310, 69326208), (315, 68225792), (320, 67159764), (336, 63961680), (360, 59697568), (372, 57771840), (384, 55966470), (420, 51169344), (434, 49518720), (448, 47971260), (465, 46217472), (480, 44773176), (496, 43328880), (504, 42641120), (558, 38514560), (560, 38377008), (576, 37310980), (620, 34663104), (630, 34112896), (640, 33579882), (651, 33012480), (672, 31980840), (720, 29848784), (744, 28885920), (768, 27983235), (840, 25584672), (868, 24759360), (896, 23985630), (930, 23108736), (960, 22386588), (992, 21664440), (1008, 21320560), (1085, 19807488), (1116, 19257280), (1120, 19188504), (1152, 18655490), (1240, 17331552), (1260, 17056448), (1280, 16789941), (1302, 16506240), (1344, 15990420), (1395, 15405824), (1440, 14924392), (1488, 14442960), (1680, 12792336), (1736, 12379680), (1792, 11992815), (1860, 11554368), (1920, 11193294), (1953, 11004160), (1984, 10832220), (2016, 10660280), (2170, 9903744), (2232, 9628640), (2240, 9594252), (2304, 9327745), (2480, 8665776), (2520, 8528224), (2604, 8253120), (2688, 7995210), (2790, 7702912), (2880, 7462196), (2976, 7221480), (3255, 6602496), (3360, 6396168), (3472, 6189840), (3720, 5777184), (3840, 5596647), (3906, 5502080), (3968, 5416110), (4032, 5330140), (4340, 4951872), (4464, 4814320), (4480, 4797126), (4960, 4332888), (5040, 4264112), (5208, 4126560), (5376, 3997605), (5580, 3851456), (5760, 3731098), (5952, 3610740), (6510, 3301248), (6720, 3198084), (6944, 3094920), (7440, 2888592), (7812, 2751040), (7936, 2708055), (8064, 2665070), (8597, 2499840), (8680, 2475936), (8928, 2407160), (8960, 2398563), (9765, 2200832), (9920, 2166444), (10080, 2132056), (10416, 2063280), (11160, 1925728), (11520, 1865549), (11904, 1805370), (13020, 1650624), (13440, 1599042), (13888, 1547460), (14880, 1444296), (15624, 1375520), (16128, 1332535), (17194, 1249920), (17360, 1237968), (17856, 1203580), (19530, 1100416), (19840, 1083222), (20160, 1066028), (20832, 1031640), (22320, 962864), (23808, 902685), (25791, 833280), (26040, 825312), (26880, 799521), (27776, 773730), (29760, 722148), (31248, 687760), (34388, 624960), (34720, 618984), (35712, 601790), (39060, 550208), (39680, 541611), (40320, 533014), (41664, 515820), (42985, 499968), (44640, 481432), (51582, 416640), (52080, 412656), (55552, 386865), (59520, 361074), (60179, 357120), (62496, 343880), (68776, 312480), (69440, 309492), (71424, 300895), (77373, 277760), (78120, 275104), (80640, 266507), (83328, 257910), (85970, 249984), (89280, 240716), (103164, 208320), (104160, 206328), (119040, 180537), (120358, 178560), (124992, 171940), (128955, 166656), (137552, 156240), (138880, 154746)]