20400483840

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{757}}^1$

素因数の和:834

約数の個数: 480

約数和(自身を含む): 74255559840

約数和(自身を除く): 53855076000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 29, 30, 32, 33, 40, 44, 48, 55, 58, 60, 64, 66, 80, 87, 88, 96, 110, 116, 120, 121, 128, 132, 145, 160, 165, 174, 176, 192, 220, 232, 240, 242, 256, 264, 290, 319, 320, 330, 348, 352, 363, 384, 435, 440, 464, 480, 484, 512, 528, 580, 605, 638, 640, 660, 696, 704, 726, 757, 768, 870, 880, 928, 957, 960, 968, 1056, 1160, 1210, 1276, 1280, 1320, 1392, 1408, 1452, 1514, 1536, 1595, 1740, 1760, 1815, 1856, 1914, 1920, 1936, 2112, 2271, 2320, 2420, 2552, 2560, 2640, 2784, 2816, 2904, 3028, 3190, 3480, 3509, 3520, 3630, 3712, 3785, 3828, 3840, 3872, 4224, 4542, 4640, 4785, 4840, 5104, 5280, 5568, 5632, 5808, 6056, 6380, 6960, 7018, 7040, 7260, 7424, 7570, 7656, 7680, 7744, 8327, 8448, 9084, 9280, 9570, 9680, 10208, 10527, 10560, 11136, 11355, 11616, 12112, 12760, 13920, 14036, 14080, 14520, 14848, 15140, 15312, 15488, 16654, 16896, 17545, 18168, 18560, 19140, 19360, 20416, 21054, 21120, 21953, 22272, 22710, 23232, 24224, 24981, 25520, 27840, 28072, 28160, 29040, 30280, 30624, 30976, 33308, 35090, 36336, 37120, 38280, 38720, 40832, 41635, 42108, 42240, 43906, 44544, 45420, 46464, 48448, 49962, 51040, 52635, 55680, 56144, 58080, 60560, 61248, 61952, 65859, 66616, 70180, 72672, 74240, 76560, 77440, 81664, 83270, 84216, 84480, 87812, 90840, 91597, 92928, 96896, 99924, 102080, 105270, 109765, 111360, 112288, 116160, 121120, 122496, 124905, 131718, 133232, 140360, 145344, 153120, 154880, 163328, 166540, 168432, 175624, 181680, 183194, 185856, 193792, 199848, 204160, 210540, 219530, 222720, 224576, 232320, 241483, 242240, 244992, 249810, 263436, 266464, 274791, 280720, 290688, 306240, 309760, 329295, 333080, 336864, 351248, 363360, 366388, 387584, 399696, 408320, 421080, 439060, 449152, 457985, 464640, 482966, 484480, 489984, 499620, 526872, 532928, 549582, 561440, 581376, 612480, 658590, 666160, 673728, 702496, 724449, 726720, 732776, 799392, 816640, 842160, 878120, 898304, 915970, 929280, 965932, 968960, 999240, 1053744, 1065856, 1099164, 1122880, 1162752, 1207415, 1224960, 1317180, 1332320, 1347456, 1373955, 1404992, 1448898, 1453440, 1465552, 1598784, 1684320, 1756240, 1796608, 1831940, 1931864, 1937920, 1998480, 2107488, 2131712, 2198328, 2245760, 2414830, 2449920, 2634360, 2656313, 2664640, 2694912, 2747910, 2809984, 2897796, 2906880, 2931104, 3197568, 3368640, 3512480, 3622245, 3663880, 3863728, 3996960, 4214976, 4263424, 4396656, 4491520, 4829660, 5268720, 5312626, 5329280, 5389824, 5495820, 5619968, 5795592, 5813760, 5862208, 6395136, 6737280, 7024960, 7244490, 7327760, 7727456, 7968939, 7993920, 8429952, 8793312, 8983040, 9659320, 10537440, 10625252, 10658560, 10991640, 11239936, 11591184, 11724416, 12790272, 13281565, 13474560, 14049920, 14488980, 14655520, 15454912, 15937878, 15987840, 16859904, 17586624, 19318640, 21074880, 21250504, 21317120, 21983280, 23182368, 23448832, 26563130, 26949120, 28099840, 28977960, 29311040, 30909824, 31875756, 31975680, 33719808, 35173248, 38637280, 39844695, 42149760, 42501008, 43966560, 46364736, 46897664, 53126260, 56199680, 57955920, 58622080, 61819648, 63751512, 63951360, 70346496, 77274560, 79689390, 84299520, 85002016, 87933120, 92729472, 106252520, 115911840, 117244160, 123639296, 127503024, 140692992, 154549120, 159378780, 168599040, 170004032, 175866240, 185458944, 212505040, 231823680, 234488320, 255006048, 309098240, 318757560, 340008064, 351732480, 370917888, 425010080, 463647360, 510012096, 618196480, 637515120, 680016128, 703464960, 850020160, 927294720, 1020024192, 1275030240, 1360032256, 1700040320, 1854589440, 2040048384, 2550060480, 3400080640, 4080096768, 5100120960, 6800161280, 10200241920, 20400483840]

約数ペア:

[(1, 20400483840), (2, 10200241920), (3, 6800161280), (4, 5100120960), (5, 4080096768), (6, 3400080640), (8, 2550060480), (10, 2040048384), (11, 1854589440), (12, 1700040320), (15, 1360032256), (16, 1275030240), (20, 1020024192), (22, 927294720), (24, 850020160), (29, 703464960), (30, 680016128), (32, 637515120), (33, 618196480), (40, 510012096), (44, 463647360), (48, 425010080), (55, 370917888), (58, 351732480), (60, 340008064), (64, 318757560), (66, 309098240), (80, 255006048), (87, 234488320), (88, 231823680), (96, 212505040), (110, 185458944), (116, 175866240), (120, 170004032), (121, 168599040), (128, 159378780), (132, 154549120), (145, 140692992), (160, 127503024), (165, 123639296), (174, 117244160), (176, 115911840), (192, 106252520), (220, 92729472), (232, 87933120), (240, 85002016), (242, 84299520), (256, 79689390), (264, 77274560), (290, 70346496), (319, 63951360), (320, 63751512), (330, 61819648), (348, 58622080), (352, 57955920), (363, 56199680), (384, 53126260), (435, 46897664), (440, 46364736), (464, 43966560), (480, 42501008), (484, 42149760), (512, 39844695), (528, 38637280), (580, 35173248), (605, 33719808), (638, 31975680), (640, 31875756), (660, 30909824), (696, 29311040), (704, 28977960), (726, 28099840), (757, 26949120), (768, 26563130), (870, 23448832), (880, 23182368), (928, 21983280), (957, 21317120), (960, 21250504), (968, 21074880), (1056, 19318640), (1160, 17586624), (1210, 16859904), (1276, 15987840), (1280, 15937878), (1320, 15454912), (1392, 14655520), (1408, 14488980), (1452, 14049920), (1514, 13474560), (1536, 13281565), (1595, 12790272), (1740, 11724416), (1760, 11591184), (1815, 11239936), (1856, 10991640), (1914, 10658560), (1920, 10625252), (1936, 10537440), (2112, 9659320), (2271, 8983040), (2320, 8793312), (2420, 8429952), (2552, 7993920), (2560, 7968939), (2640, 7727456), (2784, 7327760), (2816, 7244490), (2904, 7024960), (3028, 6737280), (3190, 6395136), (3480, 5862208), (3509, 5813760), (3520, 5795592), (3630, 5619968), (3712, 5495820), (3785, 5389824), (3828, 5329280), (3840, 5312626), (3872, 5268720), (4224, 4829660), (4542, 4491520), (4640, 4396656), (4785, 4263424), (4840, 4214976), (5104, 3996960), (5280, 3863728), (5568, 3663880), (5632, 3622245), (5808, 3512480), (6056, 3368640), (6380, 3197568), (6960, 2931104), (7018, 2906880), (7040, 2897796), (7260, 2809984), (7424, 2747910), (7570, 2694912), (7656, 2664640), (7680, 2656313), (7744, 2634360), (8327, 2449920), (8448, 2414830), (9084, 2245760), (9280, 2198328), (9570, 2131712), (9680, 2107488), (10208, 1998480), (10527, 1937920), (10560, 1931864), (11136, 1831940), (11355, 1796608), (11616, 1756240), (12112, 1684320), (12760, 1598784), (13920, 1465552), (14036, 1453440), (14080, 1448898), (14520, 1404992), (14848, 1373955), (15140, 1347456), (15312, 1332320), (15488, 1317180), (16654, 1224960), (16896, 1207415), (17545, 1162752), (18168, 1122880), (18560, 1099164), (19140, 1065856), (19360, 1053744), (20416, 999240), (21054, 968960), (21120, 965932), (21953, 929280), (22272, 915970), (22710, 898304), (23232, 878120), (24224, 842160), (24981, 816640), (25520, 799392), (27840, 732776), (28072, 726720), (28160, 724449), (29040, 702496), (30280, 673728), (30624, 666160), (30976, 658590), (33308, 612480), (35090, 581376), (36336, 561440), (37120, 549582), (38280, 532928), (38720, 526872), (40832, 499620), (41635, 489984), (42108, 484480), (42240, 482966), (43906, 464640), (44544, 457985), (45420, 449152), (46464, 439060), (48448, 421080), (49962, 408320), (51040, 399696), (52635, 387584), (55680, 366388), (56144, 363360), (58080, 351248), (60560, 336864), (61248, 333080), (61952, 329295), (65859, 309760), (66616, 306240), (70180, 290688), (72672, 280720), (74240, 274791), (76560, 266464), (77440, 263436), (81664, 249810), (83270, 244992), (84216, 242240), (84480, 241483), (87812, 232320), (90840, 224576), (91597, 222720), (92928, 219530), (96896, 210540), (99924, 204160), (102080, 199848), (105270, 193792), (109765, 185856), (111360, 183194), (112288, 181680), (116160, 175624), (121120, 168432), (122496, 166540), (124905, 163328), (131718, 154880), (133232, 153120), (140360, 145344)]