20979181440

素因数分解:

$2^7\times 3^5\times 5^1\times 7^2\times {\mathrm{2753}}^1$

素因数の和:2801

約数の個数: 576

約数和(自身を含む): 87424187760

約数和(自身を除く): 66445006320

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, 49, 54, 56, 60, 63, 64, 70, 72, 80, 81, 84, 90, 96, 98, 105, 108, 112, 120, 126, 128, 135, 140, 144, 147, 160, 162, 168, 180, 189, 192, 196, 210, 216, 224, 240, 243, 245, 252, 270, 280, 288, 294, 315, 320, 324, 336, 360, 378, 384, 392, 405, 420, 432, 441, 448, 480, 486, 490, 504, 540, 560, 567, 576, 588, 630, 640, 648, 672, 720, 735, 756, 784, 810, 840, 864, 882, 896, 945, 960, 972, 980, 1008, 1080, 1120, 1134, 1152, 1176, 1215, 1260, 1296, 1323, 1344, 1440, 1470, 1512, 1568, 1620, 1680, 1701, 1728, 1764, 1890, 1920, 1944, 1960, 2016, 2160, 2205, 2240, 2268, 2352, 2430, 2520, 2592, 2646, 2688, 2753, 2835, 2880, 2940, 3024, 3136, 3240, 3360, 3402, 3456, 3528, 3780, 3888, 3920, 3969, 4032, 4320, 4410, 4480, 4536, 4704, 4860, 5040, 5184, 5292, 5506, 5670, 5760, 5880, 6048, 6272, 6480, 6615, 6720, 6804, 7056, 7560, 7776, 7840, 7938, 8064, 8259, 8505, 8640, 8820, 9072, 9408, 9720, 10080, 10368, 10584, 11012, 11340, 11760, 11907, 12096, 12960, 13230, 13440, 13608, 13765, 14112, 15120, 15552, 15680, 15876, 16518, 17010, 17280, 17640, 18144, 18816, 19271, 19440, 19845, 20160, 21168, 22024, 22680, 23520, 23814, 24192, 24777, 25920, 26460, 27216, 27530, 28224, 30240, 31104, 31360, 31752, 33036, 34020, 35280, 36288, 38542, 38880, 39690, 40320, 41295, 42336, 44048, 45360, 47040, 47628, 49554, 51840, 52920, 54432, 55060, 56448, 57813, 59535, 60480, 63504, 66072, 68040, 70560, 72576, 74331, 77084, 77760, 79380, 82590, 84672, 88096, 90720, 94080, 95256, 96355, 99108, 105840, 108864, 110120, 115626, 119070, 120960, 123885, 127008, 132144, 134897, 136080, 141120, 148662, 154168, 155520, 158760, 165180, 169344, 173439, 176192, 181440, 190512, 192710, 198216, 211680, 217728, 220240, 222993, 231252, 238140, 247770, 254016, 264288, 269794, 272160, 282240, 289065, 297324, 308336, 317520, 330360, 346878, 352384, 362880, 371655, 381024, 385420, 396432, 404691, 423360, 440480, 445986, 462504, 476280, 495540, 508032, 520317, 528576, 539588, 544320, 578130, 594648, 616672, 635040, 660720, 668979, 674485, 693756, 743310, 762048, 770840, 792864, 809382, 846720, 867195, 880960, 891972, 925008, 952560, 991080, 1040634, 1057152, 1079176, 1088640, 1114965, 1156260, 1189296, 1214073, 1233344, 1270080, 1321440, 1337958, 1348970, 1387512, 1486620, 1524096, 1541680, 1560951, 1585728, 1618764, 1734390, 1761920, 1783944, 1850016, 1905120, 1982160, 2023455, 2081268, 2158352, 2229930, 2312520, 2378592, 2428146, 2466688, 2540160, 2601585, 2642880, 2675916, 2697940, 2775024, 2973240, 3083360, 3121902, 3171456, 3237528, 3344895, 3468780, 3567888, 3642219, 3700032, 3810240, 3964320, 4046910, 4162536, 4316704, 4459860, 4625040, 4682853, 4757184, 4856292, 5203170, 5285760, 5351832, 5395880, 5550048, 5946480, 6070365, 6166720, 6243804, 6475056, 6689790, 6937560, 7135776, 7284438, 7400064, 7620480, 7804755, 7928640, 8093820, 8325072, 8633408, 8919720, 9250080, 9365706, 9514368, 9712584, 10406340, 10703664, 10791760, 10926657, 11100096, 11892960, 12140730, 12333440, 12487608, 12950112, 13379580, 13875120, 14271552, 14568876, 15609510, 15857280, 16187640, 16650144, 17266816, 17839440, 18211095, 18500160, 18731412, 19425168, 20812680, 21407328, 21583520, 21853314, 22200192, 23414265, 23785920, 24281460, 24975216, 25900224, 26759160, 27750240, 28543104, 29137752, 31219020, 32375280, 32779971, 33300288, 35678880, 36422190, 37000320, 37462824, 38850336, 41625360, 42814656, 43167040, 43706628, 46828530, 47571840, 48562920, 49950432, 51800448, 53518320, 54633285, 55500480, 58275504, 62438040, 64750560, 65559942, 66600576, 71357760, 72844380, 74925648, 77700672, 83250720, 85629312, 86334080, 87413256, 93657060, 97125840, 99900864, 107036640, 109266570, 111000960, 116551008, 124876080, 129501120, 131119884, 142715520, 145688760, 149851296, 155401344, 163899855, 166501440, 174826512, 187314120, 194251680, 199801728, 214073280, 218533140, 233102016, 249752160, 259002240, 262239768, 291377520, 299702592, 327799710, 333002880, 349653024, 374628240, 388503360, 428146560, 437066280, 466204032, 499504320, 524479536, 582755040, 599405184, 655599420, 699306048, 749256480, 777006720, 874132560, 999008640, 1048959072, 1165510080, 1311198840, 1398612096, 1498512960, 1748265120, 2097918144, 2331020160, 2622397680, 2997025920, 3496530240, 4195836288, 5244795360, 6993060480, 10489590720, 20979181440]

約数ペア:

[(1, 20979181440), (2, 10489590720), (3, 6993060480), (4, 5244795360), (5, 4195836288), (6, 3496530240), (7, 2997025920), (8, 2622397680), (9, 2331020160), (10, 2097918144), (12, 1748265120), (14, 1498512960), (15, 1398612096), (16, 1311198840), (18, 1165510080), (20, 1048959072), (21, 999008640), (24, 874132560), (27, 777006720), (28, 749256480), (30, 699306048), (32, 655599420), (35, 599405184), (36, 582755040), (40, 524479536), (42, 499504320), (45, 466204032), (48, 437066280), (49, 428146560), (54, 388503360), (56, 374628240), (60, 349653024), (63, 333002880), (64, 327799710), (70, 299702592), (72, 291377520), (80, 262239768), (81, 259002240), (84, 249752160), (90, 233102016), (96, 218533140), (98, 214073280), (105, 199801728), (108, 194251680), (112, 187314120), (120, 174826512), (126, 166501440), (128, 163899855), (135, 155401344), (140, 149851296), (144, 145688760), (147, 142715520), (160, 131119884), (162, 129501120), (168, 124876080), (180, 116551008), (189, 111000960), (192, 109266570), (196, 107036640), (210, 99900864), (216, 97125840), (224, 93657060), (240, 87413256), (243, 86334080), (245, 85629312), (252, 83250720), (270, 77700672), (280, 74925648), (288, 72844380), (294, 71357760), (315, 66600576), (320, 65559942), (324, 64750560), (336, 62438040), (360, 58275504), (378, 55500480), (384, 54633285), (392, 53518320), (405, 51800448), (420, 49950432), (432, 48562920), (441, 47571840), (448, 46828530), (480, 43706628), (486, 43167040), (490, 42814656), (504, 41625360), (540, 38850336), (560, 37462824), (567, 37000320), (576, 36422190), (588, 35678880), (630, 33300288), (640, 32779971), (648, 32375280), (672, 31219020), (720, 29137752), (735, 28543104), (756, 27750240), (784, 26759160), (810, 25900224), (840, 24975216), (864, 24281460), (882, 23785920), (896, 23414265), (945, 22200192), (960, 21853314), (972, 21583520), (980, 21407328), (1008, 20812680), (1080, 19425168), (1120, 18731412), (1134, 18500160), (1152, 18211095), (1176, 17839440), (1215, 17266816), (1260, 16650144), (1296, 16187640), (1323, 15857280), (1344, 15609510), (1440, 14568876), (1470, 14271552), (1512, 13875120), (1568, 13379580), (1620, 12950112), (1680, 12487608), (1701, 12333440), (1728, 12140730), (1764, 11892960), (1890, 11100096), (1920, 10926657), (1944, 10791760), (1960, 10703664), (2016, 10406340), (2160, 9712584), (2205, 9514368), (2240, 9365706), (2268, 9250080), (2352, 8919720), (2430, 8633408), (2520, 8325072), (2592, 8093820), (2646, 7928640), (2688, 7804755), (2753, 7620480), (2835, 7400064), (2880, 7284438), (2940, 7135776), (3024, 6937560), (3136, 6689790), (3240, 6475056), (3360, 6243804), (3402, 6166720), (3456, 6070365), (3528, 5946480), (3780, 5550048), (3888, 5395880), (3920, 5351832), (3969, 5285760), (4032, 5203170), (4320, 4856292), (4410, 4757184), (4480, 4682853), (4536, 4625040), (4704, 4459860), (4860, 4316704), (5040, 4162536), (5184, 4046910), (5292, 3964320), (5506, 3810240), (5670, 3700032), (5760, 3642219), (5880, 3567888), (6048, 3468780), (6272, 3344895), (6480, 3237528), (6615, 3171456), (6720, 3121902), (6804, 3083360), (7056, 2973240), (7560, 2775024), (7776, 2697940), (7840, 2675916), (7938, 2642880), (8064, 2601585), (8259, 2540160), (8505, 2466688), (8640, 2428146), (8820, 2378592), (9072, 2312520), (9408, 2229930), (9720, 2158352), (10080, 2081268), (10368, 2023455), (10584, 1982160), (11012, 1905120), (11340, 1850016), (11760, 1783944), (11907, 1761920), (12096, 1734390), (12960, 1618764), (13230, 1585728), (13440, 1560951), (13608, 1541680), (13765, 1524096), (14112, 1486620), (15120, 1387512), (15552, 1348970), (15680, 1337958), (15876, 1321440), (16518, 1270080), (17010, 1233344), (17280, 1214073), (17640, 1189296), (18144, 1156260), (18816, 1114965), (19271, 1088640), (19440, 1079176), (19845, 1057152), (20160, 1040634), (21168, 991080), (22024, 952560), (22680, 925008), (23520, 891972), (23814, 880960), (24192, 867195), (24777, 846720), (25920, 809382), (26460, 792864), (27216, 770840), (27530, 762048), (28224, 743310), (30240, 693756), (31104, 674485), (31360, 668979), (31752, 660720), (33036, 635040), (34020, 616672), (35280, 594648), (36288, 578130), (38542, 544320), (38880, 539588), (39690, 528576), (40320, 520317), (41295, 508032), (42336, 495540), (44048, 476280), (45360, 462504), (47040, 445986), (47628, 440480), (49554, 423360), (51840, 404691), (52920, 396432), (54432, 385420), (55060, 381024), (56448, 371655), (57813, 362880), (59535, 352384), (60480, 346878), (63504, 330360), (66072, 317520), (68040, 308336), (70560, 297324), (72576, 289065), (74331, 282240), (77084, 272160), (77760, 269794), (79380, 264288), (82590, 254016), (84672, 247770), (88096, 238140), (90720, 231252), (94080, 222993), (95256, 220240), (96355, 217728), (99108, 211680), (105840, 198216), (108864, 192710), (110120, 190512), (115626, 181440), (119070, 176192), (120960, 173439), (123885, 169344), (127008, 165180), (132144, 158760), (134897, 155520), (136080, 154168), (141120, 148662)]