20799520128

素因数分解:

$2^7\times 3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{691}}^1$

素因数の和:810

約数の個数: 384

約数和(自身を含む): 66892456800

約数和(自身を除く): 46092936672

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 29, 32, 34, 36, 48, 51, 53, 58, 64, 68, 72, 87, 96, 102, 106, 116, 128, 136, 144, 153, 159, 174, 192, 204, 212, 232, 261, 272, 288, 306, 318, 348, 384, 408, 424, 464, 477, 493, 522, 544, 576, 612, 636, 691, 696, 816, 848, 901, 928, 954, 986, 1044, 1088, 1152, 1224, 1272, 1382, 1392, 1479, 1537, 1632, 1696, 1802, 1856, 1908, 1972, 2073, 2088, 2176, 2448, 2544, 2703, 2764, 2784, 2958, 3074, 3264, 3392, 3604, 3712, 3816, 3944, 4146, 4176, 4437, 4611, 4896, 5088, 5406, 5528, 5568, 5916, 6148, 6219, 6528, 6784, 7208, 7632, 7888, 8109, 8292, 8352, 8874, 9222, 9792, 10176, 10812, 11056, 11136, 11747, 11832, 12296, 12438, 13833, 14416, 15264, 15776, 16218, 16584, 16704, 17748, 18444, 19584, 20039, 20352, 21624, 22112, 23494, 23664, 24592, 24876, 26129, 27666, 28832, 30528, 31552, 32436, 33168, 33408, 35241, 35496, 36623, 36888, 40078, 43248, 44224, 46988, 47328, 49184, 49752, 52258, 55332, 57664, 60117, 61056, 63104, 64872, 66336, 70482, 70992, 73246, 73776, 78387, 80156, 86496, 88448, 93976, 94656, 98368, 99504, 104516, 105723, 109869, 110664, 115328, 120234, 129744, 132672, 140964, 141984, 146492, 147552, 156774, 160312, 172992, 180351, 187952, 189312, 196736, 199008, 209032, 211446, 219738, 221328, 235161, 240468, 259488, 265344, 281928, 283968, 292984, 295104, 313548, 320624, 329607, 340663, 345984, 360702, 375904, 398016, 418064, 422892, 439476, 442656, 470322, 480936, 518976, 563856, 567936, 585968, 590208, 622591, 627096, 641248, 659214, 681326, 721404, 751808, 796032, 836128, 845784, 878952, 885312, 940644, 961872, 1021989, 1037952, 1062067, 1127712, 1171936, 1245182, 1254192, 1282496, 1318428, 1362652, 1442808, 1503616, 1672256, 1691568, 1757904, 1770624, 1867773, 1881288, 1923744, 2043978, 2124134, 2255424, 2343872, 2490364, 2508384, 2564992, 2636856, 2725304, 2885616, 3065967, 3186201, 3344512, 3383136, 3515808, 3735546, 3762576, 3847488, 4087956, 4248268, 4510848, 4687744, 4980728, 5016768, 5273712, 5450608, 5603319, 5771232, 6131934, 6372402, 6766272, 7031616, 7471092, 7525152, 7694976, 8175912, 8496536, 9558603, 9961456, 10033536, 10547424, 10901216, 11206638, 11542464, 12263868, 12744804, 13532544, 14063232, 14942184, 15050304, 16351824, 16993072, 18055139, 19117206, 19922912, 21094848, 21802432, 22413276, 23084928, 24527736, 25489608, 29884368, 30100608, 32703648, 33986144, 36110278, 38234412, 39845824, 42189696, 43604864, 44826552, 49055472, 50979216, 54165417, 59768736, 65407296, 67972288, 72220556, 76468824, 79691648, 89653104, 98110944, 101958432, 108330834, 119537472, 130814592, 135944576, 144441112, 152937648, 162496251, 179306208, 196221888, 203916864, 216661668, 239074944, 288882224, 305875296, 324992502, 358612416, 392443776, 407833728, 433323336, 577764448, 611750592, 649985004, 717224832, 866646672, 1155528896, 1223501184, 1299970008, 1733293344, 2311057792, 2599940016, 3466586688, 5199880032, 6933173376, 10399760064, 20799520128]

約数ペア:

[(1, 20799520128), (2, 10399760064), (3, 6933173376), (4, 5199880032), (6, 3466586688), (8, 2599940016), (9, 2311057792), (12, 1733293344), (16, 1299970008), (17, 1223501184), (18, 1155528896), (24, 866646672), (29, 717224832), (32, 649985004), (34, 611750592), (36, 577764448), (48, 433323336), (51, 407833728), (53, 392443776), (58, 358612416), (64, 324992502), (68, 305875296), (72, 288882224), (87, 239074944), (96, 216661668), (102, 203916864), (106, 196221888), (116, 179306208), (128, 162496251), (136, 152937648), (144, 144441112), (153, 135944576), (159, 130814592), (174, 119537472), (192, 108330834), (204, 101958432), (212, 98110944), (232, 89653104), (261, 79691648), (272, 76468824), (288, 72220556), (306, 67972288), (318, 65407296), (348, 59768736), (384, 54165417), (408, 50979216), (424, 49055472), (464, 44826552), (477, 43604864), (493, 42189696), (522, 39845824), (544, 38234412), (576, 36110278), (612, 33986144), (636, 32703648), (691, 30100608), (696, 29884368), (816, 25489608), (848, 24527736), (901, 23084928), (928, 22413276), (954, 21802432), (986, 21094848), (1044, 19922912), (1088, 19117206), (1152, 18055139), (1224, 16993072), (1272, 16351824), (1382, 15050304), (1392, 14942184), (1479, 14063232), (1537, 13532544), (1632, 12744804), (1696, 12263868), (1802, 11542464), (1856, 11206638), (1908, 10901216), (1972, 10547424), (2073, 10033536), (2088, 9961456), (2176, 9558603), (2448, 8496536), (2544, 8175912), (2703, 7694976), (2764, 7525152), (2784, 7471092), (2958, 7031616), (3074, 6766272), (3264, 6372402), (3392, 6131934), (3604, 5771232), (3712, 5603319), (3816, 5450608), (3944, 5273712), (4146, 5016768), (4176, 4980728), (4437, 4687744), (4611, 4510848), (4896, 4248268), (5088, 4087956), (5406, 3847488), (5528, 3762576), (5568, 3735546), (5916, 3515808), (6148, 3383136), (6219, 3344512), (6528, 3186201), (6784, 3065967), (7208, 2885616), (7632, 2725304), (7888, 2636856), (8109, 2564992), (8292, 2508384), (8352, 2490364), (8874, 2343872), (9222, 2255424), (9792, 2124134), (10176, 2043978), (10812, 1923744), (11056, 1881288), (11136, 1867773), (11747, 1770624), (11832, 1757904), (12296, 1691568), (12438, 1672256), (13833, 1503616), (14416, 1442808), (15264, 1362652), (15776, 1318428), (16218, 1282496), (16584, 1254192), (16704, 1245182), (17748, 1171936), (18444, 1127712), (19584, 1062067), (20039, 1037952), (20352, 1021989), (21624, 961872), (22112, 940644), (23494, 885312), (23664, 878952), (24592, 845784), (24876, 836128), (26129, 796032), (27666, 751808), (28832, 721404), (30528, 681326), (31552, 659214), (32436, 641248), (33168, 627096), (33408, 622591), (35241, 590208), (35496, 585968), (36623, 567936), (36888, 563856), (40078, 518976), (43248, 480936), (44224, 470322), (46988, 442656), (47328, 439476), (49184, 422892), (49752, 418064), (52258, 398016), (55332, 375904), (57664, 360702), (60117, 345984), (61056, 340663), (63104, 329607), (64872, 320624), (66336, 313548), (70482, 295104), (70992, 292984), (73246, 283968), (73776, 281928), (78387, 265344), (80156, 259488), (86496, 240468), (88448, 235161), (93976, 221328), (94656, 219738), (98368, 211446), (99504, 209032), (104516, 199008), (105723, 196736), (109869, 189312), (110664, 187952), (115328, 180351), (120234, 172992), (129744, 160312), (132672, 156774), (140964, 147552), (141984, 146492)]