20857772160

素因数分解:

$2^7\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{12979}}^1$

素因数の和:13041

約数の個数: 320

約数和(自身を含む): 76895596800

約数和(自身を除く): 56037824640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 32, 36, 40, 45, 48, 54, 60, 62, 64, 72, 80, 81, 90, 93, 96, 108, 120, 124, 128, 135, 144, 155, 160, 162, 180, 186, 192, 216, 240, 248, 270, 279, 288, 310, 320, 324, 360, 372, 384, 405, 432, 465, 480, 496, 540, 558, 576, 620, 640, 648, 720, 744, 810, 837, 864, 930, 960, 992, 1080, 1116, 1152, 1240, 1296, 1395, 1440, 1488, 1620, 1674, 1728, 1860, 1920, 1984, 2160, 2232, 2480, 2511, 2592, 2790, 2880, 2976, 3240, 3348, 3456, 3720, 3968, 4185, 4320, 4464, 4960, 5022, 5184, 5580, 5760, 5952, 6480, 6696, 7440, 8370, 8640, 8928, 9920, 10044, 10368, 11160, 11904, 12555, 12960, 12979, 13392, 14880, 16740, 17280, 17856, 19840, 20088, 22320, 25110, 25920, 25958, 26784, 29760, 33480, 35712, 38937, 40176, 44640, 50220, 51840, 51916, 53568, 59520, 64895, 66960, 77874, 80352, 89280, 100440, 103832, 107136, 116811, 129790, 133920, 155748, 160704, 178560, 194685, 200880, 207664, 233622, 259580, 267840, 311496, 321408, 350433, 389370, 401760, 402349, 415328, 467244, 519160, 535680, 584055, 622992, 700866, 778740, 803520, 804698, 830656, 934488, 1038320, 1051299, 1168110, 1207047, 1245984, 1401732, 1557480, 1607040, 1609396, 1661312, 1752165, 1868976, 2011745, 2076640, 2102598, 2336220, 2414094, 2491968, 2803464, 3114960, 3218792, 3504330, 3621141, 3737952, 4023490, 4153280, 4205196, 4672440, 4828188, 4983936, 5256495, 5606928, 6035235, 6229920, 6437584, 7008660, 7242282, 7475904, 8046980, 8306560, 8410392, 9344880, 9656376, 10512990, 10863423, 11213856, 12070470, 12459840, 12875168, 14017320, 14484564, 14951808, 16093960, 16820784, 18105705, 18689760, 19312752, 21025980, 21726846, 22427712, 24140940, 24919680, 25750336, 28034640, 28969128, 32187920, 32590269, 33641568, 36211410, 37379520, 38625504, 42051960, 43453692, 44855424, 48281880, 51500672, 54317115, 56069280, 57938256, 64375840, 65180538, 67283136, 72422820, 74759040, 77251008, 84103920, 86907384, 96563760, 108634230, 112138560, 115876512, 128751680, 130361076, 134566272, 144845640, 154502016, 162951345, 168207840, 173814768, 193127520, 217268460, 224277120, 231753024, 257503360, 260722152, 289691280, 325902690, 336415680, 347629536, 386255040, 434536920, 463506048, 521444304, 579382560, 651805380, 672831360, 695259072, 772510080, 869073840, 1042888608, 1158765120, 1303610760, 1390518144, 1738147680, 2085777216, 2317530240, 2607221520, 3476295360, 4171554432, 5214443040, 6952590720, 10428886080, 20857772160]

約数ペア:

[(1, 20857772160), (2, 10428886080), (3, 6952590720), (4, 5214443040), (5, 4171554432), (6, 3476295360), (8, 2607221520), (9, 2317530240), (10, 2085777216), (12, 1738147680), (15, 1390518144), (16, 1303610760), (18, 1158765120), (20, 1042888608), (24, 869073840), (27, 772510080), (30, 695259072), (31, 672831360), (32, 651805380), (36, 579382560), (40, 521444304), (45, 463506048), (48, 434536920), (54, 386255040), (60, 347629536), (62, 336415680), (64, 325902690), (72, 289691280), (80, 260722152), (81, 257503360), (90, 231753024), (93, 224277120), (96, 217268460), (108, 193127520), (120, 173814768), (124, 168207840), (128, 162951345), (135, 154502016), (144, 144845640), (155, 134566272), (160, 130361076), (162, 128751680), (180, 115876512), (186, 112138560), (192, 108634230), (216, 96563760), (240, 86907384), (248, 84103920), (270, 77251008), (279, 74759040), (288, 72422820), (310, 67283136), (320, 65180538), (324, 64375840), (360, 57938256), (372, 56069280), (384, 54317115), (405, 51500672), (432, 48281880), (465, 44855424), (480, 43453692), (496, 42051960), (540, 38625504), (558, 37379520), (576, 36211410), (620, 33641568), (640, 32590269), (648, 32187920), (720, 28969128), (744, 28034640), (810, 25750336), (837, 24919680), (864, 24140940), (930, 22427712), (960, 21726846), (992, 21025980), (1080, 19312752), (1116, 18689760), (1152, 18105705), (1240, 16820784), (1296, 16093960), (1395, 14951808), (1440, 14484564), (1488, 14017320), (1620, 12875168), (1674, 12459840), (1728, 12070470), (1860, 11213856), (1920, 10863423), (1984, 10512990), (2160, 9656376), (2232, 9344880), (2480, 8410392), (2511, 8306560), (2592, 8046980), (2790, 7475904), (2880, 7242282), (2976, 7008660), (3240, 6437584), (3348, 6229920), (3456, 6035235), (3720, 5606928), (3968, 5256495), (4185, 4983936), (4320, 4828188), (4464, 4672440), (4960, 4205196), (5022, 4153280), (5184, 4023490), (5580, 3737952), (5760, 3621141), (5952, 3504330), (6480, 3218792), (6696, 3114960), (7440, 2803464), (8370, 2491968), (8640, 2414094), (8928, 2336220), (9920, 2102598), (10044, 2076640), (10368, 2011745), (11160, 1868976), (11904, 1752165), (12555, 1661312), (12960, 1609396), (12979, 1607040), (13392, 1557480), (14880, 1401732), (16740, 1245984), (17280, 1207047), (17856, 1168110), (19840, 1051299), (20088, 1038320), (22320, 934488), (25110, 830656), (25920, 804698), (25958, 803520), (26784, 778740), (29760, 700866), (33480, 622992), (35712, 584055), (38937, 535680), (40176, 519160), (44640, 467244), (50220, 415328), (51840, 402349), (51916, 401760), (53568, 389370), (59520, 350433), (64895, 321408), (66960, 311496), (77874, 267840), (80352, 259580), (89280, 233622), (100440, 207664), (103832, 200880), (107136, 194685), (116811, 178560), (129790, 160704), (133920, 155748)]