257246976

素因数分解:

$2^8\times 3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{439}}^1$

素因数の和:574

約数の個数: 144

約数和(自身を含む): 791436800

約数和(自身を除く): 534189824

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 109, 112, 128, 168, 192, 218, 224, 256, 327, 336, 384, 436, 439, 448, 654, 672, 763, 768, 872, 878, 896, 1308, 1317, 1344, 1526, 1744, 1756, 1792, 2289, 2616, 2634, 2688, 3052, 3073, 3488, 3512, 4578, 5232, 5268, 5376, 6104, 6146, 6976, 7024, 9156, 9219, 10464, 10536, 12208, 12292, 13952, 14048, 18312, 18438, 20928, 21072, 24416, 24584, 27904, 28096, 36624, 36876, 41856, 42144, 47851, 48832, 49168, 56192, 73248, 73752, 83712, 84288, 95702, 97664, 98336, 112384, 143553, 146496, 147504, 168576, 191404, 195328, 196672, 287106, 292992, 295008, 334957, 337152, 382808, 393344, 574212, 585984, 590016, 669914, 765616, 786688, 1004871, 1148424, 1180032, 1339828, 1531232, 2009742, 2296848, 2360064, 2679656, 3062464, 4019484, 4593696, 5359312, 6124928, 8038968, 9187392, 10718624, 12249856, 16077936, 18374784, 21437248, 32155872, 36749568, 42874496, 64311744, 85748992, 128623488, 257246976]

約数ペア:

[(1, 257246976), (2, 128623488), (3, 85748992), (4, 64311744), (6, 42874496), (7, 36749568), (8, 32155872), (12, 21437248), (14, 18374784), (16, 16077936), (21, 12249856), (24, 10718624), (28, 9187392), (32, 8038968), (42, 6124928), (48, 5359312), (56, 4593696), (64, 4019484), (84, 3062464), (96, 2679656), (109, 2360064), (112, 2296848), (128, 2009742), (168, 1531232), (192, 1339828), (218, 1180032), (224, 1148424), (256, 1004871), (327, 786688), (336, 765616), (384, 669914), (436, 590016), (439, 585984), (448, 574212), (654, 393344), (672, 382808), (763, 337152), (768, 334957), (872, 295008), (878, 292992), (896, 287106), (1308, 196672), (1317, 195328), (1344, 191404), (1526, 168576), (1744, 147504), (1756, 146496), (1792, 143553), (2289, 112384), (2616, 98336), (2634, 97664), (2688, 95702), (3052, 84288), (3073, 83712), (3488, 73752), (3512, 73248), (4578, 56192), (5232, 49168), (5268, 48832), (5376, 47851), (6104, 42144), (6146, 41856), (6976, 36876), (7024, 36624), (9156, 28096), (9219, 27904), (10464, 24584), (10536, 24416), (12208, 21072), (12292, 20928), (13952, 18438), (14048, 18312)]