21998384640

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{6869}}^1$

素因数の和:7037

約数の個数: 240

約数和(自身を含む): 76745869200

約数和(自身を除く): 54747484560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 139, 144, 160, 180, 192, 240, 256, 278, 288, 320, 360, 384, 417, 480, 512, 556, 576, 640, 695, 720, 768, 834, 960, 1112, 1152, 1251, 1280, 1390, 1440, 1536, 1668, 1920, 2085, 2224, 2304, 2502, 2560, 2780, 2880, 3336, 3840, 4170, 4448, 4608, 5004, 5560, 5760, 6255, 6672, 6869, 7680, 8340, 8896, 10008, 11120, 11520, 12510, 13344, 13738, 16680, 17792, 20016, 20607, 22240, 23040, 25020, 26688, 27476, 33360, 34345, 35584, 40032, 41214, 44480, 50040, 53376, 54952, 61821, 66720, 68690, 71168, 80064, 82428, 88960, 100080, 103035, 106752, 109904, 123642, 133440, 137380, 160128, 164856, 177920, 200160, 206070, 213504, 219808, 247284, 266880, 274760, 309105, 320256, 329712, 355840, 400320, 412140, 439616, 494568, 533760, 549520, 618210, 640512, 659424, 800640, 824280, 879232, 954791, 989136, 1067520, 1099040, 1236420, 1318848, 1601280, 1648560, 1758464, 1909582, 1978272, 2198080, 2472840, 2637696, 2864373, 3202560, 3297120, 3516928, 3819164, 3956544, 4396160, 4773955, 4945680, 5275392, 5728746, 6594240, 7638328, 7913088, 8593119, 8792320, 9547910, 9891360, 10550784, 11457492, 13188480, 14321865, 15276656, 15826176, 17186238, 17584640, 19095820, 19782720, 22914984, 26376960, 28643730, 30553312, 31652352, 34372476, 38191640, 39565440, 42965595, 45829968, 52753920, 57287460, 61106624, 68744952, 76383280, 79130880, 85931190, 91659936, 114574920, 122213248, 137489904, 152766560, 158261760, 171862380, 183319872, 229149840, 244426496, 274979808, 305533120, 343724760, 366639744, 458299680, 488852992, 549959616, 611066240, 687449520, 733279488, 916599360, 1099919232, 1222132480, 1374899040, 1466558976, 1833198720, 2199838464, 2444264960, 2749798080, 3666397440, 4399676928, 5499596160, 7332794880, 10999192320, 21998384640]

約数ペア:

[(1, 21998384640), (2, 10999192320), (3, 7332794880), (4, 5499596160), (5, 4399676928), (6, 3666397440), (8, 2749798080), (9, 2444264960), (10, 2199838464), (12, 1833198720), (15, 1466558976), (16, 1374899040), (18, 1222132480), (20, 1099919232), (24, 916599360), (30, 733279488), (32, 687449520), (36, 611066240), (40, 549959616), (45, 488852992), (48, 458299680), (60, 366639744), (64, 343724760), (72, 305533120), (80, 274979808), (90, 244426496), (96, 229149840), (120, 183319872), (128, 171862380), (139, 158261760), (144, 152766560), (160, 137489904), (180, 122213248), (192, 114574920), (240, 91659936), (256, 85931190), (278, 79130880), (288, 76383280), (320, 68744952), (360, 61106624), (384, 57287460), (417, 52753920), (480, 45829968), (512, 42965595), (556, 39565440), (576, 38191640), (640, 34372476), (695, 31652352), (720, 30553312), (768, 28643730), (834, 26376960), (960, 22914984), (1112, 19782720), (1152, 19095820), (1251, 17584640), (1280, 17186238), (1390, 15826176), (1440, 15276656), (1536, 14321865), (1668, 13188480), (1920, 11457492), (2085, 10550784), (2224, 9891360), (2304, 9547910), (2502, 8792320), (2560, 8593119), (2780, 7913088), (2880, 7638328), (3336, 6594240), (3840, 5728746), (4170, 5275392), (4448, 4945680), (4608, 4773955), (5004, 4396160), (5560, 3956544), (5760, 3819164), (6255, 3516928), (6672, 3297120), (6869, 3202560), (7680, 2864373), (8340, 2637696), (8896, 2472840), (10008, 2198080), (11120, 1978272), (11520, 1909582), (12510, 1758464), (13344, 1648560), (13738, 1601280), (16680, 1318848), (17792, 1236420), (20016, 1099040), (20607, 1067520), (22240, 989136), (23040, 954791), (25020, 879232), (26688, 824280), (27476, 800640), (33360, 659424), (34345, 640512), (35584, 618210), (40032, 549520), (41214, 533760), (44480, 494568), (50040, 439616), (53376, 412140), (54952, 400320), (61821, 355840), (66720, 329712), (68690, 320256), (71168, 309105), (80064, 274760), (82428, 266880), (88960, 247284), (100080, 219808), (103035, 213504), (106752, 206070), (109904, 200160), (123642, 177920), (133440, 164856), (137380, 160128)]