20824320

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1$

素因数の和:81

約数の個数: 288

約数和(自身を含む): 79470720

約数和(自身を除く): 58646400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 17, 20, 22, 24, 29, 30, 32, 33, 34, 40, 44, 48, 51, 55, 58, 60, 64, 66, 68, 80, 85, 87, 88, 96, 102, 110, 116, 120, 128, 132, 136, 145, 160, 165, 170, 174, 176, 187, 192, 204, 220, 232, 240, 255, 256, 264, 272, 290, 319, 320, 330, 340, 348, 352, 374, 384, 408, 435, 440, 464, 480, 493, 510, 528, 544, 561, 580, 638, 640, 660, 680, 696, 704, 748, 768, 816, 870, 880, 928, 935, 957, 960, 986, 1020, 1056, 1088, 1122, 1160, 1276, 1280, 1320, 1360, 1392, 1408, 1479, 1496, 1595, 1632, 1740, 1760, 1856, 1870, 1914, 1920, 1972, 2040, 2112, 2176, 2244, 2320, 2465, 2552, 2640, 2720, 2784, 2805, 2816, 2958, 2992, 3190, 3264, 3480, 3520, 3712, 3740, 3828, 3840, 3944, 4080, 4224, 4352, 4488, 4640, 4785, 4930, 5104, 5280, 5423, 5440, 5568, 5610, 5916, 5984, 6380, 6528, 6960, 7040, 7395, 7424, 7480, 7656, 7888, 8160, 8448, 8976, 9280, 9570, 9860, 10208, 10560, 10846, 10880, 11136, 11220, 11832, 11968, 12760, 13056, 13920, 14080, 14790, 14960, 15312, 15776, 16269, 16320, 17952, 18560, 19140, 19720, 20416, 21120, 21692, 21760, 22272, 22440, 23664, 23936, 25520, 27115, 27840, 29580, 29920, 30624, 31552, 32538, 32640, 35904, 37120, 38280, 39440, 40832, 42240, 43384, 44880, 47328, 47872, 51040, 54230, 55680, 59160, 59840, 61248, 63104, 65076, 65280, 71808, 76560, 78880, 81345, 81664, 86768, 89760, 94656, 102080, 108460, 111360, 118320, 119680, 122496, 126208, 130152, 143616, 153120, 157760, 162690, 173536, 179520, 189312, 204160, 216920, 236640, 239360, 244992, 260304, 306240, 315520, 325380, 347072, 359040, 378624, 408320, 433840, 473280, 520608, 612480, 631040, 650760, 694144, 718080, 867680, 946560, 1041216, 1224960, 1301520, 1388288, 1735360, 1893120, 2082432, 2603040, 3470720, 4164864, 5206080, 6941440, 10412160, 20824320]

約数ペア:

[(1, 20824320), (2, 10412160), (3, 6941440), (4, 5206080), (5, 4164864), (6, 3470720), (8, 2603040), (10, 2082432), (11, 1893120), (12, 1735360), (15, 1388288), (16, 1301520), (17, 1224960), (20, 1041216), (22, 946560), (24, 867680), (29, 718080), (30, 694144), (32, 650760), (33, 631040), (34, 612480), (40, 520608), (44, 473280), (48, 433840), (51, 408320), (55, 378624), (58, 359040), (60, 347072), (64, 325380), (66, 315520), (68, 306240), (80, 260304), (85, 244992), (87, 239360), (88, 236640), (96, 216920), (102, 204160), (110, 189312), (116, 179520), (120, 173536), (128, 162690), (132, 157760), (136, 153120), (145, 143616), (160, 130152), (165, 126208), (170, 122496), (174, 119680), (176, 118320), (187, 111360), (192, 108460), (204, 102080), (220, 94656), (232, 89760), (240, 86768), (255, 81664), (256, 81345), (264, 78880), (272, 76560), (290, 71808), (319, 65280), (320, 65076), (330, 63104), (340, 61248), (348, 59840), (352, 59160), (374, 55680), (384, 54230), (408, 51040), (435, 47872), (440, 47328), (464, 44880), (480, 43384), (493, 42240), (510, 40832), (528, 39440), (544, 38280), (561, 37120), (580, 35904), (638, 32640), (640, 32538), (660, 31552), (680, 30624), (696, 29920), (704, 29580), (748, 27840), (768, 27115), (816, 25520), (870, 23936), (880, 23664), (928, 22440), (935, 22272), (957, 21760), (960, 21692), (986, 21120), (1020, 20416), (1056, 19720), (1088, 19140), (1122, 18560), (1160, 17952), (1276, 16320), (1280, 16269), (1320, 15776), (1360, 15312), (1392, 14960), (1408, 14790), (1479, 14080), (1496, 13920), (1595, 13056), (1632, 12760), (1740, 11968), (1760, 11832), (1856, 11220), (1870, 11136), (1914, 10880), (1920, 10846), (1972, 10560), (2040, 10208), (2112, 9860), (2176, 9570), (2244, 9280), (2320, 8976), (2465, 8448), (2552, 8160), (2640, 7888), (2720, 7656), (2784, 7480), (2805, 7424), (2816, 7395), (2958, 7040), (2992, 6960), (3190, 6528), (3264, 6380), (3480, 5984), (3520, 5916), (3712, 5610), (3740, 5568), (3828, 5440), (3840, 5423), (3944, 5280), (4080, 5104), (4224, 4930), (4352, 4785), (4488, 4640)]