21868657920

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{337}}^1$

素因数の和:538

約数の個数: 432

約数和(自身を含む): 78245399232

約数和(自身を除く): 56376741312

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 43, 45, 48, 60, 64, 72, 80, 86, 90, 96, 120, 128, 129, 131, 144, 160, 172, 180, 192, 215, 240, 256, 258, 262, 288, 320, 337, 344, 360, 384, 387, 393, 430, 480, 516, 524, 576, 640, 645, 655, 674, 688, 720, 768, 774, 786, 860, 960, 1011, 1032, 1048, 1152, 1179, 1280, 1290, 1310, 1348, 1376, 1440, 1548, 1572, 1685, 1720, 1920, 1935, 1965, 2022, 2064, 2096, 2304, 2358, 2580, 2620, 2696, 2752, 2880, 3033, 3096, 3144, 3370, 3440, 3840, 3870, 3930, 4044, 4128, 4192, 4716, 5055, 5160, 5240, 5392, 5504, 5633, 5760, 5895, 6066, 6192, 6288, 6740, 6880, 7740, 7860, 8088, 8256, 8384, 9432, 10110, 10320, 10480, 10784, 11008, 11266, 11520, 11790, 12132, 12384, 12576, 13480, 13760, 14491, 15165, 15480, 15720, 16176, 16512, 16768, 16899, 18864, 20220, 20640, 20960, 21568, 22532, 23580, 24264, 24768, 25152, 26960, 27520, 28165, 28982, 30330, 30960, 31440, 32352, 33024, 33536, 33798, 37728, 40440, 41280, 41920, 43136, 43473, 44147, 45064, 47160, 48528, 49536, 50304, 50697, 53920, 55040, 56330, 57964, 60660, 61920, 62880, 64704, 67596, 72455, 75456, 80880, 82560, 83840, 84495, 86272, 86946, 88294, 90128, 94320, 97056, 99072, 100608, 101394, 107840, 112660, 115928, 121320, 123840, 125760, 129408, 130419, 132441, 135192, 144910, 150912, 161760, 165120, 167680, 168990, 173892, 176588, 180256, 188640, 194112, 202788, 215680, 217365, 220735, 225320, 231856, 242640, 247680, 251520, 253485, 258816, 260838, 264882, 270384, 289820, 301824, 323520, 337980, 347784, 353176, 360512, 377280, 388224, 397323, 405576, 431360, 434730, 441470, 450640, 463712, 485280, 495360, 503040, 506970, 521676, 529764, 540768, 579640, 647040, 652095, 662205, 675960, 695568, 706352, 721024, 754560, 776448, 794646, 811152, 869460, 882940, 901280, 927424, 970560, 1013940, 1043352, 1059528, 1081536, 1159280, 1294080, 1304190, 1324410, 1351920, 1391136, 1412704, 1442048, 1509120, 1589292, 1622304, 1738920, 1765880, 1802560, 1854848, 1898321, 1941120, 1986615, 2027880, 2086704, 2119056, 2163072, 2318560, 2608380, 2648820, 2703840, 2782272, 2825408, 3178584, 3244608, 3477840, 3531760, 3605120, 3709696, 3796642, 3882240, 3973230, 4055760, 4173408, 4238112, 4326144, 4637120, 5216760, 5297640, 5407680, 5564544, 5650816, 5694963, 6357168, 6489216, 6955680, 7063520, 7210240, 7593284, 7946460, 8111520, 8346816, 8476224, 9274240, 9491605, 10433520, 10595280, 10815360, 11129088, 11301632, 11389926, 12714336, 12978432, 13911360, 14127040, 15186568, 15892920, 16223040, 16693632, 16952448, 17084889, 18548480, 18983210, 20867040, 21190560, 21630720, 22779852, 25428672, 27822720, 28254080, 28474815, 30373136, 31785840, 32446080, 33387264, 33904896, 34169778, 37966420, 41734080, 42381120, 45559704, 50857344, 55645440, 56508160, 56949630, 60746272, 63571680, 64892160, 68339556, 75932840, 83468160, 84762240, 85424445, 91119408, 101714688, 113899260, 121492544, 127143360, 136679112, 151865680, 166936320, 169524480, 170848890, 182238816, 227798520, 242985088, 254286720, 273358224, 303731360, 341697780, 364477632, 455597040, 485970176, 508573440, 546716448, 607462720, 683395560, 728955264, 911194080, 1093432896, 1214925440, 1366791120, 1457910528, 1822388160, 2186865792, 2429850880, 2733582240, 3644776320, 4373731584, 5467164480, 7289552640, 10934328960, 21868657920]

約数ペア:

[(1, 21868657920), (2, 10934328960), (3, 7289552640), (4, 5467164480), (5, 4373731584), (6, 3644776320), (8, 2733582240), (9, 2429850880), (10, 2186865792), (12, 1822388160), (15, 1457910528), (16, 1366791120), (18, 1214925440), (20, 1093432896), (24, 911194080), (30, 728955264), (32, 683395560), (36, 607462720), (40, 546716448), (43, 508573440), (45, 485970176), (48, 455597040), (60, 364477632), (64, 341697780), (72, 303731360), (80, 273358224), (86, 254286720), (90, 242985088), (96, 227798520), (120, 182238816), (128, 170848890), (129, 169524480), (131, 166936320), (144, 151865680), (160, 136679112), (172, 127143360), (180, 121492544), (192, 113899260), (215, 101714688), (240, 91119408), (256, 85424445), (258, 84762240), (262, 83468160), (288, 75932840), (320, 68339556), (337, 64892160), (344, 63571680), (360, 60746272), (384, 56949630), (387, 56508160), (393, 55645440), (430, 50857344), (480, 45559704), (516, 42381120), (524, 41734080), (576, 37966420), (640, 34169778), (645, 33904896), (655, 33387264), (674, 32446080), (688, 31785840), (720, 30373136), (768, 28474815), (774, 28254080), (786, 27822720), (860, 25428672), (960, 22779852), (1011, 21630720), (1032, 21190560), (1048, 20867040), (1152, 18983210), (1179, 18548480), (1280, 17084889), (1290, 16952448), (1310, 16693632), (1348, 16223040), (1376, 15892920), (1440, 15186568), (1548, 14127040), (1572, 13911360), (1685, 12978432), (1720, 12714336), (1920, 11389926), (1935, 11301632), (1965, 11129088), (2022, 10815360), (2064, 10595280), (2096, 10433520), (2304, 9491605), (2358, 9274240), (2580, 8476224), (2620, 8346816), (2696, 8111520), (2752, 7946460), (2880, 7593284), (3033, 7210240), (3096, 7063520), (3144, 6955680), (3370, 6489216), (3440, 6357168), (3840, 5694963), (3870, 5650816), (3930, 5564544), (4044, 5407680), (4128, 5297640), (4192, 5216760), (4716, 4637120), (5055, 4326144), (5160, 4238112), (5240, 4173408), (5392, 4055760), (5504, 3973230), (5633, 3882240), (5760, 3796642), (5895, 3709696), (6066, 3605120), (6192, 3531760), (6288, 3477840), (6740, 3244608), (6880, 3178584), (7740, 2825408), (7860, 2782272), (8088, 2703840), (8256, 2648820), (8384, 2608380), (9432, 2318560), (10110, 2163072), (10320, 2119056), (10480, 2086704), (10784, 2027880), (11008, 1986615), (11266, 1941120), (11520, 1898321), (11790, 1854848), (12132, 1802560), (12384, 1765880), (12576, 1738920), (13480, 1622304), (13760, 1589292), (14491, 1509120), (15165, 1442048), (15480, 1412704), (15720, 1391136), (16176, 1351920), (16512, 1324410), (16768, 1304190), (16899, 1294080), (18864, 1159280), (20220, 1081536), (20640, 1059528), (20960, 1043352), (21568, 1013940), (22532, 970560), (23580, 927424), (24264, 901280), (24768, 882940), (25152, 869460), (26960, 811152), (27520, 794646), (28165, 776448), (28982, 754560), (30330, 721024), (30960, 706352), (31440, 695568), (32352, 675960), (33024, 662205), (33536, 652095), (33798, 647040), (37728, 579640), (40440, 540768), (41280, 529764), (41920, 521676), (43136, 506970), (43473, 503040), (44147, 495360), (45064, 485280), (47160, 463712), (48528, 450640), (49536, 441470), (50304, 434730), (50697, 431360), (53920, 405576), (55040, 397323), (56330, 388224), (57964, 377280), (60660, 360512), (61920, 353176), (62880, 347784), (64704, 337980), (67596, 323520), (72455, 301824), (75456, 289820), (80880, 270384), (82560, 264882), (83840, 260838), (84495, 258816), (86272, 253485), (86946, 251520), (88294, 247680), (90128, 242640), (94320, 231856), (97056, 225320), (99072, 220735), (100608, 217365), (101394, 215680), (107840, 202788), (112660, 194112), (115928, 188640), (121320, 180256), (123840, 176588), (125760, 173892), (129408, 168990), (130419, 167680), (132441, 165120), (135192, 161760), (144910, 150912)]