20907780480

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{691}}^1$

素因数の和:839

約数の個数: 512

約数和(自身を含む): 79279948800

約数和(自身を除く): 58372168320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 32, 34, 36, 40, 45, 48, 51, 54, 60, 64, 68, 72, 80, 85, 90, 96, 102, 103, 108, 120, 128, 135, 136, 144, 153, 160, 170, 180, 192, 204, 206, 216, 240, 255, 270, 272, 288, 306, 309, 320, 340, 360, 384, 408, 412, 432, 459, 480, 510, 515, 540, 544, 576, 612, 618, 640, 680, 691, 720, 765, 816, 824, 864, 918, 927, 960, 1020, 1030, 1080, 1088, 1152, 1224, 1236, 1360, 1382, 1440, 1530, 1545, 1632, 1648, 1728, 1751, 1836, 1854, 1920, 2040, 2060, 2073, 2160, 2176, 2295, 2448, 2472, 2720, 2764, 2781, 2880, 3060, 3090, 3264, 3296, 3455, 3456, 3502, 3672, 3708, 4080, 4120, 4146, 4320, 4590, 4635, 4896, 4944, 5253, 5440, 5528, 5562, 5760, 6120, 6180, 6219, 6528, 6592, 6910, 7004, 7344, 7416, 8160, 8240, 8292, 8640, 8755, 9180, 9270, 9792, 9888, 10365, 10506, 10880, 11056, 11124, 11747, 12240, 12360, 12438, 13184, 13820, 13905, 14008, 14688, 14832, 15759, 16320, 16480, 16584, 17280, 17510, 18360, 18540, 18657, 19584, 19776, 20730, 21012, 22112, 22248, 23494, 24480, 24720, 24876, 26265, 27640, 27810, 28016, 29376, 29664, 31095, 31518, 32640, 32960, 33168, 35020, 35241, 36720, 37080, 37314, 39552, 41460, 42024, 44224, 44496, 46988, 47277, 48960, 49440, 49752, 52530, 55280, 55620, 56032, 58735, 58752, 59328, 62190, 63036, 65920, 66336, 70040, 70482, 71173, 73440, 74160, 74628, 78795, 82920, 84048, 88448, 88992, 93285, 93976, 94554, 97920, 98880, 99504, 105060, 105723, 110560, 111240, 112064, 117470, 118656, 124380, 126072, 132672, 140080, 140964, 142346, 146880, 148320, 149256, 157590, 165840, 168096, 176205, 177984, 186570, 187952, 189108, 197760, 199008, 210120, 211446, 213519, 221120, 222480, 224128, 234940, 236385, 248760, 252144, 265344, 280160, 281928, 284692, 293760, 296640, 298512, 315180, 317169, 331680, 336192, 352410, 355865, 355968, 373140, 375904, 378216, 398016, 420240, 422892, 427038, 442240, 444960, 469880, 472770, 497520, 504288, 528615, 560320, 563856, 569384, 593280, 597024, 630360, 634338, 640557, 663360, 672384, 704820, 711730, 746280, 751808, 756432, 796032, 840480, 845784, 854076, 889920, 939760, 945540, 995040, 1008576, 1057230, 1067595, 1120640, 1127712, 1138768, 1194048, 1209941, 1260720, 1268676, 1281114, 1326720, 1409640, 1423460, 1492560, 1503616, 1512864, 1585845, 1680960, 1691568, 1708152, 1779840, 1879520, 1891080, 1921671, 1990080, 2017152, 2114460, 2135190, 2255424, 2277536, 2388096, 2419882, 2521440, 2537352, 2562228, 2819280, 2846920, 2985120, 3025728, 3171690, 3202785, 3361920, 3383136, 3416304, 3629823, 3759040, 3782160, 3843342, 3980160, 4228920, 4270380, 4510848, 4555072, 4839764, 5042880, 5074704, 5124456, 5638560, 5693840, 5970240, 6049705, 6051456, 6343380, 6405570, 6766272, 6832608, 7259646, 7518080, 7564320, 7686684, 8457840, 8540760, 9110144, 9608355, 9679528, 10085760, 10149408, 10248912, 10889469, 11277120, 11387680, 11940480, 12099410, 12686760, 12811140, 13532544, 13665216, 14519292, 15128640, 15373368, 16915680, 17081520, 18149115, 19216710, 19359056, 20298816, 20497824, 21778938, 22554240, 22775360, 24198820, 25373520, 25622280, 27330432, 29038584, 30257280, 30746736, 32668407, 33831360, 34163040, 36298230, 38433420, 38718112, 40597632, 40995648, 43557876, 45550720, 48397640, 50747040, 51244560, 54447345, 58077168, 61493472, 65336814, 67662720, 68326080, 72596460, 76866840, 77436224, 81991296, 87115752, 96795280, 101494080, 102489120, 108894690, 116154336, 122986944, 130673628, 136652160, 145192920, 153733680, 154872448, 163342035, 174231504, 193590560, 202988160, 204978240, 217789380, 232308672, 245973888, 261347256, 290385840, 307467360, 326684070, 348463008, 387181120, 409956480, 435578760, 464617344, 522694512, 580771680, 614934720, 653368140, 696926016, 774362240, 871157520, 1045389024, 1161543360, 1229869440, 1306736280, 1393852032, 1742315040, 2090778048, 2323086720, 2613472560, 3484630080, 4181556096, 5226945120, 6969260160, 10453890240, 20907780480]

約数ペア:

[(1, 20907780480), (2, 10453890240), (3, 6969260160), (4, 5226945120), (5, 4181556096), (6, 3484630080), (8, 2613472560), (9, 2323086720), (10, 2090778048), (12, 1742315040), (15, 1393852032), (16, 1306736280), (17, 1229869440), (18, 1161543360), (20, 1045389024), (24, 871157520), (27, 774362240), (30, 696926016), (32, 653368140), (34, 614934720), (36, 580771680), (40, 522694512), (45, 464617344), (48, 435578760), (51, 409956480), (54, 387181120), (60, 348463008), (64, 326684070), (68, 307467360), (72, 290385840), (80, 261347256), (85, 245973888), (90, 232308672), (96, 217789380), (102, 204978240), (103, 202988160), (108, 193590560), (120, 174231504), (128, 163342035), (135, 154872448), (136, 153733680), (144, 145192920), (153, 136652160), (160, 130673628), (170, 122986944), (180, 116154336), (192, 108894690), (204, 102489120), (206, 101494080), (216, 96795280), (240, 87115752), (255, 81991296), (270, 77436224), (272, 76866840), (288, 72596460), (306, 68326080), (309, 67662720), (320, 65336814), (340, 61493472), (360, 58077168), (384, 54447345), (408, 51244560), (412, 50747040), (432, 48397640), (459, 45550720), (480, 43557876), (510, 40995648), (515, 40597632), (540, 38718112), (544, 38433420), (576, 36298230), (612, 34163040), (618, 33831360), (640, 32668407), (680, 30746736), (691, 30257280), (720, 29038584), (765, 27330432), (816, 25622280), (824, 25373520), (864, 24198820), (918, 22775360), (927, 22554240), (960, 21778938), (1020, 20497824), (1030, 20298816), (1080, 19359056), (1088, 19216710), (1152, 18149115), (1224, 17081520), (1236, 16915680), (1360, 15373368), (1382, 15128640), (1440, 14519292), (1530, 13665216), (1545, 13532544), (1632, 12811140), (1648, 12686760), (1728, 12099410), (1751, 11940480), (1836, 11387680), (1854, 11277120), (1920, 10889469), (2040, 10248912), (2060, 10149408), (2073, 10085760), (2160, 9679528), (2176, 9608355), (2295, 9110144), (2448, 8540760), (2472, 8457840), (2720, 7686684), (2764, 7564320), (2781, 7518080), (2880, 7259646), (3060, 6832608), (3090, 6766272), (3264, 6405570), (3296, 6343380), (3455, 6051456), (3456, 6049705), (3502, 5970240), (3672, 5693840), (3708, 5638560), (4080, 5124456), (4120, 5074704), (4146, 5042880), (4320, 4839764), (4590, 4555072), (4635, 4510848), (4896, 4270380), (4944, 4228920), (5253, 3980160), (5440, 3843342), (5528, 3782160), (5562, 3759040), (5760, 3629823), (6120, 3416304), (6180, 3383136), (6219, 3361920), (6528, 3202785), (6592, 3171690), (6910, 3025728), (7004, 2985120), (7344, 2846920), (7416, 2819280), (8160, 2562228), (8240, 2537352), (8292, 2521440), (8640, 2419882), (8755, 2388096), (9180, 2277536), (9270, 2255424), (9792, 2135190), (9888, 2114460), (10365, 2017152), (10506, 1990080), (10880, 1921671), (11056, 1891080), (11124, 1879520), (11747, 1779840), (12240, 1708152), (12360, 1691568), (12438, 1680960), (13184, 1585845), (13820, 1512864), (13905, 1503616), (14008, 1492560), (14688, 1423460), (14832, 1409640), (15759, 1326720), (16320, 1281114), (16480, 1268676), (16584, 1260720), (17280, 1209941), (17510, 1194048), (18360, 1138768), (18540, 1127712), (18657, 1120640), (19584, 1067595), (19776, 1057230), (20730, 1008576), (21012, 995040), (22112, 945540), (22248, 939760), (23494, 889920), (24480, 854076), (24720, 845784), (24876, 840480), (26265, 796032), (27640, 756432), (27810, 751808), (28016, 746280), (29376, 711730), (29664, 704820), (31095, 672384), (31518, 663360), (32640, 640557), (32960, 634338), (33168, 630360), (35020, 597024), (35241, 593280), (36720, 569384), (37080, 563856), (37314, 560320), (39552, 528615), (41460, 504288), (42024, 497520), (44224, 472770), (44496, 469880), (46988, 444960), (47277, 442240), (48960, 427038), (49440, 422892), (49752, 420240), (52530, 398016), (55280, 378216), (55620, 375904), (56032, 373140), (58735, 355968), (58752, 355865), (59328, 352410), (62190, 336192), (63036, 331680), (65920, 317169), (66336, 315180), (70040, 298512), (70482, 296640), (71173, 293760), (73440, 284692), (74160, 281928), (74628, 280160), (78795, 265344), (82920, 252144), (84048, 248760), (88448, 236385), (88992, 234940), (93285, 224128), (93976, 222480), (94554, 221120), (97920, 213519), (98880, 211446), (99504, 210120), (105060, 199008), (105723, 197760), (110560, 189108), (111240, 187952), (112064, 186570), (117470, 177984), (118656, 176205), (124380, 168096), (126072, 165840), (132672, 157590), (140080, 149256), (140964, 148320), (142346, 146880)]