1981600768

素因数分解:

$2^{10}\times 7^2\times {\mathrm{73}}^1\times {\mathrm{541}}^1$

素因数の和:648

約数の個数: 132

約数和(自身を含む): 4679761332

約数和(自身を除く): 2698160564

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 73, 98, 112, 128, 146, 196, 224, 256, 292, 392, 448, 511, 512, 541, 584, 784, 896, 1022, 1024, 1082, 1168, 1568, 1792, 2044, 2164, 2336, 3136, 3577, 3584, 3787, 4088, 4328, 4672, 6272, 7154, 7168, 7574, 8176, 8656, 9344, 12544, 14308, 15148, 16352, 17312, 18688, 25088, 26509, 28616, 30296, 32704, 34624, 37376, 39493, 50176, 53018, 57232, 60592, 65408, 69248, 74752, 78986, 106036, 114464, 121184, 130816, 138496, 157972, 212072, 228928, 242368, 261632, 276451, 276992, 315944, 424144, 457856, 484736, 523264, 552902, 553984, 631888, 848288, 915712, 969472, 1105804, 1263776, 1696576, 1831424, 1935157, 1938944, 2211608, 2527552, 3393152, 3662848, 3870314, 3877888, 4423216, 5055104, 6786304, 7740628, 8846432, 10110208, 13572608, 15481256, 17692864, 20220416, 27145216, 30962512, 35385728, 40440832, 61925024, 70771456, 123850048, 141542912, 247700096, 283085824, 495400192, 990800384, 1981600768]

約数ペア:

[(1, 1981600768), (2, 990800384), (4, 495400192), (7, 283085824), (8, 247700096), (14, 141542912), (16, 123850048), (28, 70771456), (32, 61925024), (49, 40440832), (56, 35385728), (64, 30962512), (73, 27145216), (98, 20220416), (112, 17692864), (128, 15481256), (146, 13572608), (196, 10110208), (224, 8846432), (256, 7740628), (292, 6786304), (392, 5055104), (448, 4423216), (511, 3877888), (512, 3870314), (541, 3662848), (584, 3393152), (784, 2527552), (896, 2211608), (1022, 1938944), (1024, 1935157), (1082, 1831424), (1168, 1696576), (1568, 1263776), (1792, 1105804), (2044, 969472), (2164, 915712), (2336, 848288), (3136, 631888), (3577, 553984), (3584, 552902), (3787, 523264), (4088, 484736), (4328, 457856), (4672, 424144), (6272, 315944), (7154, 276992), (7168, 276451), (7574, 261632), (8176, 242368), (8656, 228928), (9344, 212072), (12544, 157972), (14308, 138496), (15148, 130816), (16352, 121184), (17312, 114464), (18688, 106036), (25088, 78986), (26509, 74752), (28616, 69248), (30296, 65408), (32704, 60592), (34624, 57232), (37376, 53018), (39493, 50176)]