128315904

素因数分解:

$2^9\times 3^1\times {\mathrm{139}}^1\times {\mathrm{601}}^1$

素因数の和:761

約数の個数: 80

約数和(自身を含む): 344873760

約数和(自身を除く): 216557856

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 139, 192, 256, 278, 384, 417, 512, 556, 601, 768, 834, 1112, 1202, 1536, 1668, 1803, 2224, 2404, 3336, 3606, 4448, 4808, 6672, 7212, 8896, 9616, 13344, 14424, 17792, 19232, 26688, 28848, 35584, 38464, 53376, 57696, 71168, 76928, 83539, 106752, 115392, 153856, 167078, 213504, 230784, 250617, 307712, 334156, 461568, 501234, 668312, 923136, 1002468, 1336624, 2004936, 2673248, 4009872, 5346496, 8019744, 10692992, 16039488, 21385984, 32078976, 42771968, 64157952, 128315904]

約数ペア:

[(1, 128315904), (2, 64157952), (3, 42771968), (4, 32078976), (6, 21385984), (8, 16039488), (12, 10692992), (16, 8019744), (24, 5346496), (32, 4009872), (48, 2673248), (64, 2004936), (96, 1336624), (128, 1002468), (139, 923136), (192, 668312), (256, 501234), (278, 461568), (384, 334156), (417, 307712), (512, 250617), (556, 230784), (601, 213504), (768, 167078), (834, 153856), (1112, 115392), (1202, 106752), (1536, 83539), (1668, 76928), (1803, 71168), (2224, 57696), (2404, 53376), (3336, 38464), (3606, 35584), (4448, 28848), (4808, 26688), (6672, 19232), (7212, 17792), (8896, 14424), (9616, 13344)]