20938544640

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1319}}^1$

素因数の和:1414

約数の個数: 480

約数和(自身を含む): 79628028480

約数和(自身を除く): 58689483840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 53, 60, 64, 65, 72, 78, 80, 90, 96, 104, 106, 117, 120, 128, 130, 144, 156, 159, 160, 180, 192, 195, 208, 212, 234, 240, 256, 260, 265, 288, 312, 318, 320, 360, 384, 390, 416, 424, 468, 477, 480, 512, 520, 530, 576, 585, 624, 636, 640, 689, 720, 768, 780, 795, 832, 848, 936, 954, 960, 1040, 1060, 1152, 1170, 1248, 1272, 1280, 1319, 1378, 1440, 1536, 1560, 1590, 1664, 1696, 1872, 1908, 1920, 2067, 2080, 2120, 2304, 2340, 2385, 2496, 2544, 2560, 2638, 2756, 2880, 3120, 3180, 3328, 3392, 3445, 3744, 3816, 3840, 3957, 4134, 4160, 4240, 4608, 4680, 4770, 4992, 5088, 5276, 5512, 5760, 6201, 6240, 6360, 6595, 6656, 6784, 6890, 7488, 7632, 7680, 7914, 8268, 8320, 8480, 9360, 9540, 9984, 10176, 10335, 10552, 11024, 11520, 11871, 12402, 12480, 12720, 13190, 13568, 13780, 14976, 15264, 15828, 16536, 16640, 16960, 17147, 18720, 19080, 19785, 19968, 20352, 20670, 21104, 22048, 23040, 23742, 24804, 24960, 25440, 26380, 27136, 27560, 29952, 30528, 31005, 31656, 33072, 33280, 33920, 34294, 37440, 38160, 39570, 40704, 41340, 42208, 44096, 47484, 49608, 49920, 50880, 51441, 52760, 55120, 59355, 59904, 61056, 62010, 63312, 66144, 67840, 68588, 69907, 74880, 76320, 79140, 81408, 82680, 84416, 85735, 88192, 94968, 99216, 99840, 101760, 102882, 105520, 110240, 118710, 122112, 124020, 126624, 132288, 135680, 137176, 139814, 149760, 152640, 154323, 158280, 165360, 168832, 171470, 176384, 189936, 198432, 203520, 205764, 209721, 211040, 220480, 237420, 244224, 248040, 253248, 257205, 264576, 274352, 279628, 299520, 305280, 308646, 316560, 330720, 337664, 342940, 349535, 352768, 379872, 396864, 407040, 411528, 419442, 422080, 440960, 474840, 496080, 506496, 514410, 529152, 548704, 559256, 610560, 617292, 629163, 633120, 661440, 675328, 685880, 699070, 759744, 771615, 793728, 823056, 838884, 844160, 881920, 908791, 949680, 992160, 1012992, 1028820, 1048605, 1058304, 1097408, 1118512, 1221120, 1234584, 1258326, 1266240, 1322880, 1371760, 1398140, 1519488, 1543230, 1587456, 1646112, 1677768, 1688320, 1763840, 1817582, 1899360, 1984320, 2025984, 2057640, 2097210, 2194816, 2237024, 2469168, 2516652, 2532480, 2645760, 2726373, 2743520, 2796280, 3038976, 3086460, 3145815, 3174912, 3292224, 3355536, 3376640, 3635164, 3798720, 3968640, 4115280, 4194420, 4389632, 4474048, 4543955, 4938336, 5033304, 5064960, 5291520, 5452746, 5487040, 5592560, 6077952, 6172920, 6291630, 6584448, 6711072, 7270328, 7597440, 7937280, 8179119, 8230560, 8388840, 8779264, 8948096, 9087910, 9876672, 10066608, 10129920, 10905492, 10974080, 11185120, 12345840, 12583260, 13168896, 13422144, 13631865, 14540656, 15194880, 15874560, 16358238, 16461120, 16777680, 17896192, 18175820, 19753344, 20133216, 21810984, 21948160, 22370240, 24691680, 25166520, 26337792, 26844288, 27263730, 29081312, 30389760, 32716476, 32922240, 33555360, 35792384, 36351640, 39506688, 40266432, 40895595, 43621968, 43896320, 44740480, 49383360, 50333040, 53688576, 54527460, 58162624, 65432952, 65844480, 67110720, 72703280, 79013376, 80532864, 81791190, 87243936, 89480960, 98766720, 100666080, 107377152, 109054920, 116325248, 130865904, 131688960, 134221440, 145406560, 161065728, 163582380, 174487872, 178961920, 197533440, 201332160, 218109840, 232650496, 261731808, 268442880, 290813120, 322131456, 327164760, 348975744, 395066880, 402664320, 436219680, 465300992, 523463616, 536885760, 581626240, 654329520, 697951488, 805328640, 872439360, 1046927232, 1163252480, 1308659040, 1395902976, 1610657280, 1744878720, 2093854464, 2326504960, 2617318080, 3489757440, 4187708928, 5234636160, 6979514880, 10469272320, 20938544640]

約数ペア:

[(1, 20938544640), (2, 10469272320), (3, 6979514880), (4, 5234636160), (5, 4187708928), (6, 3489757440), (8, 2617318080), (9, 2326504960), (10, 2093854464), (12, 1744878720), (13, 1610657280), (15, 1395902976), (16, 1308659040), (18, 1163252480), (20, 1046927232), (24, 872439360), (26, 805328640), (30, 697951488), (32, 654329520), (36, 581626240), (39, 536885760), (40, 523463616), (45, 465300992), (48, 436219680), (52, 402664320), (53, 395066880), (60, 348975744), (64, 327164760), (65, 322131456), (72, 290813120), (78, 268442880), (80, 261731808), (90, 232650496), (96, 218109840), (104, 201332160), (106, 197533440), (117, 178961920), (120, 174487872), (128, 163582380), (130, 161065728), (144, 145406560), (156, 134221440), (159, 131688960), (160, 130865904), (180, 116325248), (192, 109054920), (195, 107377152), (208, 100666080), (212, 98766720), (234, 89480960), (240, 87243936), (256, 81791190), (260, 80532864), (265, 79013376), (288, 72703280), (312, 67110720), (318, 65844480), (320, 65432952), (360, 58162624), (384, 54527460), (390, 53688576), (416, 50333040), (424, 49383360), (468, 44740480), (477, 43896320), (480, 43621968), (512, 40895595), (520, 40266432), (530, 39506688), (576, 36351640), (585, 35792384), (624, 33555360), (636, 32922240), (640, 32716476), (689, 30389760), (720, 29081312), (768, 27263730), (780, 26844288), (795, 26337792), (832, 25166520), (848, 24691680), (936, 22370240), (954, 21948160), (960, 21810984), (1040, 20133216), (1060, 19753344), (1152, 18175820), (1170, 17896192), (1248, 16777680), (1272, 16461120), (1280, 16358238), (1319, 15874560), (1378, 15194880), (1440, 14540656), (1536, 13631865), (1560, 13422144), (1590, 13168896), (1664, 12583260), (1696, 12345840), (1872, 11185120), (1908, 10974080), (1920, 10905492), (2067, 10129920), (2080, 10066608), (2120, 9876672), (2304, 9087910), (2340, 8948096), (2385, 8779264), (2496, 8388840), (2544, 8230560), (2560, 8179119), (2638, 7937280), (2756, 7597440), (2880, 7270328), (3120, 6711072), (3180, 6584448), (3328, 6291630), (3392, 6172920), (3445, 6077952), (3744, 5592560), (3816, 5487040), (3840, 5452746), (3957, 5291520), (4134, 5064960), (4160, 5033304), (4240, 4938336), (4608, 4543955), (4680, 4474048), (4770, 4389632), (4992, 4194420), (5088, 4115280), (5276, 3968640), (5512, 3798720), (5760, 3635164), (6201, 3376640), (6240, 3355536), (6360, 3292224), (6595, 3174912), (6656, 3145815), (6784, 3086460), (6890, 3038976), (7488, 2796280), (7632, 2743520), (7680, 2726373), (7914, 2645760), (8268, 2532480), (8320, 2516652), (8480, 2469168), (9360, 2237024), (9540, 2194816), (9984, 2097210), (10176, 2057640), (10335, 2025984), (10552, 1984320), (11024, 1899360), (11520, 1817582), (11871, 1763840), (12402, 1688320), (12480, 1677768), (12720, 1646112), (13190, 1587456), (13568, 1543230), (13780, 1519488), (14976, 1398140), (15264, 1371760), (15828, 1322880), (16536, 1266240), (16640, 1258326), (16960, 1234584), (17147, 1221120), (18720, 1118512), (19080, 1097408), (19785, 1058304), (19968, 1048605), (20352, 1028820), (20670, 1012992), (21104, 992160), (22048, 949680), (23040, 908791), (23742, 881920), (24804, 844160), (24960, 838884), (25440, 823056), (26380, 793728), (27136, 771615), (27560, 759744), (29952, 699070), (30528, 685880), (31005, 675328), (31656, 661440), (33072, 633120), (33280, 629163), (33920, 617292), (34294, 610560), (37440, 559256), (38160, 548704), (39570, 529152), (40704, 514410), (41340, 506496), (42208, 496080), (44096, 474840), (47484, 440960), (49608, 422080), (49920, 419442), (50880, 411528), (51441, 407040), (52760, 396864), (55120, 379872), (59355, 352768), (59904, 349535), (61056, 342940), (62010, 337664), (63312, 330720), (66144, 316560), (67840, 308646), (68588, 305280), (69907, 299520), (74880, 279628), (76320, 274352), (79140, 264576), (81408, 257205), (82680, 253248), (84416, 248040), (85735, 244224), (88192, 237420), (94968, 220480), (99216, 211040), (99840, 209721), (101760, 205764), (102882, 203520), (105520, 198432), (110240, 189936), (118710, 176384), (122112, 171470), (124020, 168832), (126624, 165360), (132288, 158280), (135680, 154323), (137176, 152640), (139814, 149760)]