640107776

素因数分解:

$2^8\times 7^2\times {\mathrm{11}}^1\times {\mathrm{4639}}^1$

素因数の和:4680

約数の個数: 108

約数和(自身を含む): 1621791360

約数和(自身を除く): 981683584

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 49, 56, 64, 77, 88, 98, 112, 128, 154, 176, 196, 224, 256, 308, 352, 392, 448, 539, 616, 704, 784, 896, 1078, 1232, 1408, 1568, 1792, 2156, 2464, 2816, 3136, 4312, 4639, 4928, 6272, 8624, 9278, 9856, 12544, 17248, 18556, 19712, 32473, 34496, 37112, 51029, 64946, 68992, 74224, 102058, 129892, 137984, 148448, 204116, 227311, 259784, 296896, 357203, 408232, 454622, 519568, 593792, 714406, 816464, 909244, 1039136, 1187584, 1428812, 1632928, 1818488, 2078272, 2500421, 2857624, 3265856, 3636976, 4156544, 5000842, 5715248, 6531712, 7273952, 8313088, 10001684, 11430496, 13063424, 14547904, 20003368, 22860992, 29095808, 40006736, 45721984, 58191616, 80013472, 91443968, 160026944, 320053888, 640107776]

約数ペア:

[(1, 640107776), (2, 320053888), (4, 160026944), (7, 91443968), (8, 80013472), (11, 58191616), (14, 45721984), (16, 40006736), (22, 29095808), (28, 22860992), (32, 20003368), (44, 14547904), (49, 13063424), (56, 11430496), (64, 10001684), (77, 8313088), (88, 7273952), (98, 6531712), (112, 5715248), (128, 5000842), (154, 4156544), (176, 3636976), (196, 3265856), (224, 2857624), (256, 2500421), (308, 2078272), (352, 1818488), (392, 1632928), (448, 1428812), (539, 1187584), (616, 1039136), (704, 909244), (784, 816464), (896, 714406), (1078, 593792), (1232, 519568), (1408, 454622), (1568, 408232), (1792, 357203), (2156, 296896), (2464, 259784), (2816, 227311), (3136, 204116), (4312, 148448), (4639, 137984), (4928, 129892), (6272, 102058), (8624, 74224), (9278, 68992), (9856, 64946), (12544, 51029), (17248, 37112), (18556, 34496), (19712, 32473)]