21780087120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{53}}^2\times {\mathrm{89}}^1$

素因数の和:236

約数の個数: 540

約数和(自身を含む): 82865125980

約数和(自身を除く): 61085038860

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 53, 55, 60, 66, 72, 80, 88, 89, 90, 99, 106, 110, 120, 121, 132, 144, 159, 165, 176, 178, 180, 198, 212, 220, 240, 242, 264, 265, 267, 318, 330, 356, 360, 363, 396, 424, 440, 445, 477, 484, 495, 528, 530, 534, 583, 605, 636, 660, 712, 720, 726, 792, 795, 801, 848, 880, 890, 954, 968, 979, 990, 1060, 1068, 1089, 1166, 1210, 1272, 1320, 1335, 1424, 1452, 1584, 1590, 1602, 1749, 1780, 1815, 1908, 1936, 1958, 1980, 2120, 2136, 2178, 2332, 2385, 2420, 2544, 2640, 2670, 2809, 2904, 2915, 2937, 3180, 3204, 3498, 3560, 3630, 3816, 3916, 3960, 4005, 4240, 4272, 4356, 4664, 4717, 4770, 4840, 4895, 5247, 5340, 5445, 5618, 5808, 5830, 5874, 6360, 6408, 6413, 6996, 7120, 7260, 7632, 7832, 7920, 8010, 8427, 8712, 8745, 8811, 9328, 9434, 9540, 9680, 9790, 10494, 10680, 10769, 10890, 11236, 11660, 11748, 12720, 12816, 12826, 13992, 14045, 14151, 14520, 14685, 15664, 16020, 16854, 17424, 17490, 17622, 18868, 19080, 19239, 19580, 20988, 21360, 21538, 21780, 22472, 23320, 23496, 23585, 25281, 25652, 26235, 27984, 28090, 28302, 29040, 29370, 30899, 32040, 32065, 32307, 33708, 34980, 35244, 37736, 38160, 38478, 39160, 41976, 42135, 42453, 43076, 43560, 44055, 44944, 46640, 46992, 47170, 50562, 51304, 51887, 52470, 53845, 56180, 56604, 57717, 58740, 61798, 64080, 64130, 64614, 67416, 69960, 70488, 70755, 75472, 76956, 78320, 83952, 84270, 84906, 86152, 87120, 88110, 92697, 94340, 96195, 96921, 101124, 102608, 103774, 104940, 107690, 112360, 113208, 115434, 117480, 123596, 126405, 128260, 129228, 134832, 139920, 140976, 141510, 153912, 154495, 155661, 161535, 168540, 169812, 172304, 176220, 185394, 188680, 192390, 193842, 202248, 207548, 209880, 212265, 215380, 224720, 226416, 230868, 234960, 247192, 250001, 252810, 256520, 258456, 259435, 278091, 283020, 288585, 307824, 308990, 311322, 323070, 337080, 339624, 339889, 352440, 370788, 377360, 384780, 387684, 404496, 415096, 419760, 424530, 430760, 461736, 463485, 466983, 484605, 494384, 500002, 505620, 513040, 516912, 518870, 556182, 566040, 570757, 577170, 617980, 622644, 646140, 674160, 679248, 679778, 704880, 741576, 750003, 769560, 775368, 778305, 830192, 849060, 861520, 923472, 926970, 933966, 969210, 1000004, 1011240, 1019667, 1037740, 1112364, 1132080, 1141514, 1154340, 1235960, 1245288, 1250005, 1292280, 1359556, 1390455, 1483152, 1500006, 1539120, 1550736, 1556610, 1698120, 1699445, 1712271, 1853940, 1867932, 1938420, 2000008, 2022480, 2039334, 2075480, 2224728, 2250009, 2283028, 2308680, 2334915, 2471920, 2490576, 2500010, 2584560, 2719112, 2750011, 2780910, 2853785, 3000012, 3059001, 3113220, 3396240, 3398890, 3424542, 3707880, 3735864, 3750015, 3876840, 4000016, 4078668, 4150960, 4449456, 4500018, 4566056, 4617360, 4669830, 5000020, 5098335, 5136813, 5438224, 5500022, 5561820, 5707570, 6000024, 6118002, 6226440, 6797780, 6849084, 7415760, 7471728, 7500030, 7753680, 8157336, 8250033, 8561355, 9000036, 9132112, 9339660, 10000040, 10196670, 10273626, 11000044, 11123640, 11250045, 11415140, 12000048, 12236004, 12452880, 13595560, 13698168, 13750055, 15000060, 15295005, 16314672, 16500066, 17122710, 18000072, 18679320, 20000080, 20393340, 20547252, 22000088, 22247280, 22500090, 22830280, 24472008, 24750099, 25684065, 27191120, 27396336, 27500110, 30000120, 30250121, 30590010, 33000132, 34245420, 36000144, 37358640, 40786680, 41094504, 41250165, 44000176, 45000180, 45660560, 48944016, 49500198, 51368130, 55000220, 60000240, 60500242, 61180020, 66000264, 68490840, 81573360, 82189008, 82500330, 90000360, 90750363, 99000396, 102736260, 110000440, 121000484, 122360040, 123750495, 132000528, 136981680, 151250605, 165000660, 180000720, 181500726, 198000792, 205472520, 220000880, 242000968, 244720080, 247500990, 272251089, 302501210, 330001320, 363001452, 396001584, 410945040, 453751815, 484001936, 495001980, 544502178, 605002420, 660002640, 726002904, 907503630, 990003960, 1089004356, 1210004840, 1361255445, 1452005808, 1815007260, 1980007920, 2178008712, 2420009680, 2722510890, 3630014520, 4356017424, 5445021780, 7260029040, 10890043560, 21780087120]

約数ペア:

[(1, 21780087120), (2, 10890043560), (3, 7260029040), (4, 5445021780), (5, 4356017424), (6, 3630014520), (8, 2722510890), (9, 2420009680), (10, 2178008712), (11, 1980007920), (12, 1815007260), (15, 1452005808), (16, 1361255445), (18, 1210004840), (20, 1089004356), (22, 990003960), (24, 907503630), (30, 726002904), (33, 660002640), (36, 605002420), (40, 544502178), (44, 495001980), (45, 484001936), (48, 453751815), (53, 410945040), (55, 396001584), (60, 363001452), (66, 330001320), (72, 302501210), (80, 272251089), (88, 247500990), (89, 244720080), (90, 242000968), (99, 220000880), (106, 205472520), (110, 198000792), (120, 181500726), (121, 180000720), (132, 165000660), (144, 151250605), (159, 136981680), (165, 132000528), (176, 123750495), (178, 122360040), (180, 121000484), (198, 110000440), (212, 102736260), (220, 99000396), (240, 90750363), (242, 90000360), (264, 82500330), (265, 82189008), (267, 81573360), (318, 68490840), (330, 66000264), (356, 61180020), (360, 60500242), (363, 60000240), (396, 55000220), (424, 51368130), (440, 49500198), (445, 48944016), (477, 45660560), (484, 45000180), (495, 44000176), (528, 41250165), (530, 41094504), (534, 40786680), (583, 37358640), (605, 36000144), (636, 34245420), (660, 33000132), (712, 30590010), (720, 30250121), (726, 30000120), (792, 27500110), (795, 27396336), (801, 27191120), (848, 25684065), (880, 24750099), (890, 24472008), (954, 22830280), (968, 22500090), (979, 22247280), (990, 22000088), (1060, 20547252), (1068, 20393340), (1089, 20000080), (1166, 18679320), (1210, 18000072), (1272, 17122710), (1320, 16500066), (1335, 16314672), (1424, 15295005), (1452, 15000060), (1584, 13750055), (1590, 13698168), (1602, 13595560), (1749, 12452880), (1780, 12236004), (1815, 12000048), (1908, 11415140), (1936, 11250045), (1958, 11123640), (1980, 11000044), (2120, 10273626), (2136, 10196670), (2178, 10000040), (2332, 9339660), (2385, 9132112), (2420, 9000036), (2544, 8561355), (2640, 8250033), (2670, 8157336), (2809, 7753680), (2904, 7500030), (2915, 7471728), (2937, 7415760), (3180, 6849084), (3204, 6797780), (3498, 6226440), (3560, 6118002), (3630, 6000024), (3816, 5707570), (3916, 5561820), (3960, 5500022), (4005, 5438224), (4240, 5136813), (4272, 5098335), (4356, 5000020), (4664, 4669830), (4717, 4617360), (4770, 4566056), (4840, 4500018), (4895, 4449456), (5247, 4150960), (5340, 4078668), (5445, 4000016), (5618, 3876840), (5808, 3750015), (5830, 3735864), (5874, 3707880), (6360, 3424542), (6408, 3398890), (6413, 3396240), (6996, 3113220), (7120, 3059001), (7260, 3000012), (7632, 2853785), (7832, 2780910), (7920, 2750011), (8010, 2719112), (8427, 2584560), (8712, 2500010), (8745, 2490576), (8811, 2471920), (9328, 2334915), (9434, 2308680), (9540, 2283028), (9680, 2250009), (9790, 2224728), (10494, 2075480), (10680, 2039334), (10769, 2022480), (10890, 2000008), (11236, 1938420), (11660, 1867932), (11748, 1853940), (12720, 1712271), (12816, 1699445), (12826, 1698120), (13992, 1556610), (14045, 1550736), (14151, 1539120), (14520, 1500006), (14685, 1483152), (15664, 1390455), (16020, 1359556), (16854, 1292280), (17424, 1250005), (17490, 1245288), (17622, 1235960), (18868, 1154340), (19080, 1141514), (19239, 1132080), (19580, 1112364), (20988, 1037740), (21360, 1019667), (21538, 1011240), (21780, 1000004), (22472, 969210), (23320, 933966), (23496, 926970), (23585, 923472), (25281, 861520), (25652, 849060), (26235, 830192), (27984, 778305), (28090, 775368), (28302, 769560), (29040, 750003), (29370, 741576), (30899, 704880), (32040, 679778), (32065, 679248), (32307, 674160), (33708, 646140), (34980, 622644), (35244, 617980), (37736, 577170), (38160, 570757), (38478, 566040), (39160, 556182), (41976, 518870), (42135, 516912), (42453, 513040), (43076, 505620), (43560, 500002), (44055, 494384), (44944, 484605), (46640, 466983), (46992, 463485), (47170, 461736), (50562, 430760), (51304, 424530), (51887, 419760), (52470, 415096), (53845, 404496), (56180, 387684), (56604, 384780), (57717, 377360), (58740, 370788), (61798, 352440), (64080, 339889), (64130, 339624), (64614, 337080), (67416, 323070), (69960, 311322), (70488, 308990), (70755, 307824), (75472, 288585), (76956, 283020), (78320, 278091), (83952, 259435), (84270, 258456), (84906, 256520), (86152, 252810), (87120, 250001), (88110, 247192), (92697, 234960), (94340, 230868), (96195, 226416), (96921, 224720), (101124, 215380), (102608, 212265), (103774, 209880), (104940, 207548), (107690, 202248), (112360, 193842), (113208, 192390), (115434, 188680), (117480, 185394), (123596, 176220), (126405, 172304), (128260, 169812), (129228, 168540), (134832, 161535), (139920, 155661), (140976, 154495), (141510, 153912)]