81289728

素因数分解:

$2^9\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1$

素因数の和:119

約数の個数: 240

約数和(自身を含む): 268107840

約数和(自身を除く): 186818112

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 23, 24, 26, 32, 36, 39, 46, 48, 52, 59, 64, 69, 72, 78, 92, 96, 104, 117, 118, 128, 138, 144, 156, 177, 184, 192, 207, 208, 234, 236, 256, 276, 288, 299, 312, 354, 368, 384, 414, 416, 468, 472, 512, 531, 552, 576, 598, 624, 708, 736, 767, 768, 828, 832, 897, 936, 944, 1062, 1104, 1152, 1196, 1248, 1357, 1416, 1472, 1534, 1536, 1656, 1664, 1794, 1872, 1888, 2124, 2208, 2301, 2304, 2392, 2496, 2691, 2714, 2832, 2944, 3068, 3312, 3328, 3588, 3744, 3776, 4071, 4248, 4416, 4602, 4608, 4784, 4992, 5382, 5428, 5664, 5888, 6136, 6624, 6656, 6903, 7176, 7488, 7552, 8142, 8496, 8832, 9204, 9568, 9984, 10764, 10856, 11328, 11776, 12213, 12272, 13248, 13806, 14352, 14976, 15104, 16284, 16992, 17641, 17664, 18408, 19136, 19968, 21528, 21712, 22656, 24426, 24544, 26496, 27612, 28704, 29952, 30208, 32568, 33984, 35282, 35328, 36816, 38272, 43056, 43424, 45312, 48852, 49088, 52923, 52992, 55224, 57408, 59904, 65136, 67968, 70564, 73632, 76544, 86112, 86848, 90624, 97704, 98176, 105846, 105984, 110448, 114816, 130272, 135936, 141128, 147264, 153088, 158769, 172224, 173696, 195408, 196352, 211692, 220896, 229632, 260544, 271872, 282256, 294528, 317538, 344448, 347392, 390816, 392704, 423384, 441792, 459264, 521088, 564512, 589056, 635076, 688896, 694784, 781632, 846768, 883584, 1042176, 1129024, 1178112, 1270152, 1377792, 1563264, 1693536, 1767168, 2084352, 2258048, 2540304, 3126528, 3387072, 3534336, 4516096, 5080608, 6253056, 6774144, 9032192, 10161216, 13548288, 20322432, 27096576, 40644864, 81289728]

約数ペア:

[(1, 81289728), (2, 40644864), (3, 27096576), (4, 20322432), (6, 13548288), (8, 10161216), (9, 9032192), (12, 6774144), (13, 6253056), (16, 5080608), (18, 4516096), (23, 3534336), (24, 3387072), (26, 3126528), (32, 2540304), (36, 2258048), (39, 2084352), (46, 1767168), (48, 1693536), (52, 1563264), (59, 1377792), (64, 1270152), (69, 1178112), (72, 1129024), (78, 1042176), (92, 883584), (96, 846768), (104, 781632), (117, 694784), (118, 688896), (128, 635076), (138, 589056), (144, 564512), (156, 521088), (177, 459264), (184, 441792), (192, 423384), (207, 392704), (208, 390816), (234, 347392), (236, 344448), (256, 317538), (276, 294528), (288, 282256), (299, 271872), (312, 260544), (354, 229632), (368, 220896), (384, 211692), (414, 196352), (416, 195408), (468, 173696), (472, 172224), (512, 158769), (531, 153088), (552, 147264), (576, 141128), (598, 135936), (624, 130272), (708, 114816), (736, 110448), (767, 105984), (768, 105846), (828, 98176), (832, 97704), (897, 90624), (936, 86848), (944, 86112), (1062, 76544), (1104, 73632), (1152, 70564), (1196, 67968), (1248, 65136), (1357, 59904), (1416, 57408), (1472, 55224), (1534, 52992), (1536, 52923), (1656, 49088), (1664, 48852), (1794, 45312), (1872, 43424), (1888, 43056), (2124, 38272), (2208, 36816), (2301, 35328), (2304, 35282), (2392, 33984), (2496, 32568), (2691, 30208), (2714, 29952), (2832, 28704), (2944, 27612), (3068, 26496), (3312, 24544), (3328, 24426), (3588, 22656), (3744, 21712), (3776, 21528), (4071, 19968), (4248, 19136), (4416, 18408), (4602, 17664), (4608, 17641), (4784, 16992), (4992, 16284), (5382, 15104), (5428, 14976), (5664, 14352), (5888, 13806), (6136, 13248), (6624, 12272), (6656, 12213), (6903, 11776), (7176, 11328), (7488, 10856), (7552, 10764), (8142, 9984), (8496, 9568), (8832, 9204)]