65509920

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1$

素因数の和:192

約数の個数: 288

約数和(自身を含む): 261975168

約数和(自身を除く): 196465248

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 67, 70, 72, 80, 84, 90, 96, 97, 105, 112, 120, 126, 134, 140, 144, 160, 168, 180, 194, 201, 210, 224, 240, 252, 268, 280, 288, 291, 315, 335, 336, 360, 388, 402, 420, 469, 480, 485, 504, 536, 560, 582, 603, 630, 670, 672, 679, 720, 776, 804, 840, 873, 938, 970, 1005, 1008, 1072, 1120, 1164, 1206, 1260, 1340, 1358, 1407, 1440, 1455, 1552, 1608, 1680, 1746, 1876, 1940, 2010, 2016, 2037, 2144, 2328, 2345, 2412, 2520, 2680, 2716, 2814, 2910, 3015, 3104, 3216, 3360, 3395, 3492, 3752, 3880, 4020, 4074, 4221, 4365, 4656, 4690, 4824, 5040, 5360, 5432, 5628, 5820, 6030, 6111, 6432, 6499, 6790, 6984, 7035, 7504, 7760, 8040, 8148, 8442, 8730, 9312, 9380, 9648, 10080, 10185, 10720, 10864, 11256, 11640, 12060, 12222, 12998, 13580, 13968, 14070, 15008, 15520, 16080, 16296, 16884, 17460, 18760, 19296, 19497, 20370, 21105, 21728, 22512, 23280, 24120, 24444, 25996, 27160, 27936, 28140, 30555, 32160, 32495, 32592, 33768, 34920, 37520, 38994, 40740, 42210, 45024, 45493, 46560, 48240, 48888, 51992, 54320, 56280, 58491, 61110, 64990, 65184, 67536, 69840, 75040, 77988, 81480, 84420, 90986, 96480, 97485, 97776, 103984, 108640, 112560, 116982, 122220, 129980, 135072, 136479, 139680, 155976, 162960, 168840, 181972, 194970, 195552, 207968, 225120, 227465, 233964, 244440, 259960, 272958, 292455, 311952, 325920, 337680, 363944, 389940, 409437, 454930, 467928, 488880, 519920, 545916, 584910, 623904, 675360, 682395, 727888, 779880, 818874, 909860, 935856, 977760, 1039840, 1091832, 1169820, 1364790, 1455776, 1559760, 1637748, 1819720, 1871712, 2047185, 2183664, 2339640, 2729580, 3119520, 3275496, 3639440, 4094370, 4367328, 4679280, 5459160, 6550992, 7278880, 8188740, 9358560, 10918320, 13101984, 16377480, 21836640, 32754960, 65509920]

約数ペア:

[(1, 65509920), (2, 32754960), (3, 21836640), (4, 16377480), (5, 13101984), (6, 10918320), (7, 9358560), (8, 8188740), (9, 7278880), (10, 6550992), (12, 5459160), (14, 4679280), (15, 4367328), (16, 4094370), (18, 3639440), (20, 3275496), (21, 3119520), (24, 2729580), (28, 2339640), (30, 2183664), (32, 2047185), (35, 1871712), (36, 1819720), (40, 1637748), (42, 1559760), (45, 1455776), (48, 1364790), (56, 1169820), (60, 1091832), (63, 1039840), (67, 977760), (70, 935856), (72, 909860), (80, 818874), (84, 779880), (90, 727888), (96, 682395), (97, 675360), (105, 623904), (112, 584910), (120, 545916), (126, 519920), (134, 488880), (140, 467928), (144, 454930), (160, 409437), (168, 389940), (180, 363944), (194, 337680), (201, 325920), (210, 311952), (224, 292455), (240, 272958), (252, 259960), (268, 244440), (280, 233964), (288, 227465), (291, 225120), (315, 207968), (335, 195552), (336, 194970), (360, 181972), (388, 168840), (402, 162960), (420, 155976), (469, 139680), (480, 136479), (485, 135072), (504, 129980), (536, 122220), (560, 116982), (582, 112560), (603, 108640), (630, 103984), (670, 97776), (672, 97485), (679, 96480), (720, 90986), (776, 84420), (804, 81480), (840, 77988), (873, 75040), (938, 69840), (970, 67536), (1005, 65184), (1008, 64990), (1072, 61110), (1120, 58491), (1164, 56280), (1206, 54320), (1260, 51992), (1340, 48888), (1358, 48240), (1407, 46560), (1440, 45493), (1455, 45024), (1552, 42210), (1608, 40740), (1680, 38994), (1746, 37520), (1876, 34920), (1940, 33768), (2010, 32592), (2016, 32495), (2037, 32160), (2144, 30555), (2328, 28140), (2345, 27936), (2412, 27160), (2520, 25996), (2680, 24444), (2716, 24120), (2814, 23280), (2910, 22512), (3015, 21728), (3104, 21105), (3216, 20370), (3360, 19497), (3395, 19296), (3492, 18760), (3752, 17460), (3880, 16884), (4020, 16296), (4074, 16080), (4221, 15520), (4365, 15008), (4656, 14070), (4690, 13968), (4824, 13580), (5040, 12998), (5360, 12222), (5432, 12060), (5628, 11640), (5820, 11256), (6030, 10864), (6111, 10720), (6432, 10185), (6499, 10080), (6790, 9648), (6984, 9380), (7035, 9312), (7504, 8730), (7760, 8442), (8040, 8148)]