256587264

素因数分解:

$2^9\times 3^4\times {\mathrm{23}}^1\times {\mathrm{269}}^1$

素因数の和:322

約数の個数: 200

約数和(自身を含む): 802113840

約数和(自身を除く): 545526576

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 32, 36, 46, 48, 54, 64, 69, 72, 81, 92, 96, 108, 128, 138, 144, 162, 184, 192, 207, 216, 256, 269, 276, 288, 324, 368, 384, 414, 432, 512, 538, 552, 576, 621, 648, 736, 768, 807, 828, 864, 1076, 1104, 1152, 1242, 1296, 1472, 1536, 1614, 1656, 1728, 1863, 2152, 2208, 2304, 2421, 2484, 2592, 2944, 3228, 3312, 3456, 3726, 4304, 4416, 4608, 4842, 4968, 5184, 5888, 6187, 6456, 6624, 6912, 7263, 7452, 8608, 8832, 9684, 9936, 10368, 11776, 12374, 12912, 13248, 13824, 14526, 14904, 17216, 17664, 18561, 19368, 19872, 20736, 21789, 24748, 25824, 26496, 29052, 29808, 34432, 35328, 37122, 38736, 39744, 41472, 43578, 49496, 51648, 52992, 55683, 58104, 59616, 68864, 74244, 77472, 79488, 87156, 98992, 103296, 105984, 111366, 116208, 119232, 137728, 148488, 154944, 158976, 167049, 174312, 197984, 206592, 222732, 232416, 238464, 296976, 309888, 317952, 334098, 348624, 395968, 413184, 445464, 464832, 476928, 501147, 593952, 619776, 668196, 697248, 791936, 890928, 929664, 953856, 1002294, 1187904, 1239552, 1336392, 1394496, 1583872, 1781856, 1859328, 2004588, 2375808, 2672784, 2788992, 3167744, 3563712, 3718656, 4009176, 4751616, 5345568, 5577984, 7127424, 8018352, 9503232, 10691136, 11155968, 14254848, 16036704, 21382272, 28509696, 32073408, 42764544, 64146816, 85529088, 128293632, 256587264]

約数ペア:

[(1, 256587264), (2, 128293632), (3, 85529088), (4, 64146816), (6, 42764544), (8, 32073408), (9, 28509696), (12, 21382272), (16, 16036704), (18, 14254848), (23, 11155968), (24, 10691136), (27, 9503232), (32, 8018352), (36, 7127424), (46, 5577984), (48, 5345568), (54, 4751616), (64, 4009176), (69, 3718656), (72, 3563712), (81, 3167744), (92, 2788992), (96, 2672784), (108, 2375808), (128, 2004588), (138, 1859328), (144, 1781856), (162, 1583872), (184, 1394496), (192, 1336392), (207, 1239552), (216, 1187904), (256, 1002294), (269, 953856), (276, 929664), (288, 890928), (324, 791936), (368, 697248), (384, 668196), (414, 619776), (432, 593952), (512, 501147), (538, 476928), (552, 464832), (576, 445464), (621, 413184), (648, 395968), (736, 348624), (768, 334098), (807, 317952), (828, 309888), (864, 296976), (1076, 238464), (1104, 232416), (1152, 222732), (1242, 206592), (1296, 197984), (1472, 174312), (1536, 167049), (1614, 158976), (1656, 154944), (1728, 148488), (1863, 137728), (2152, 119232), (2208, 116208), (2304, 111366), (2421, 105984), (2484, 103296), (2592, 98992), (2944, 87156), (3228, 79488), (3312, 77472), (3456, 74244), (3726, 68864), (4304, 59616), (4416, 58104), (4608, 55683), (4842, 52992), (4968, 51648), (5184, 49496), (5888, 43578), (6187, 41472), (6456, 39744), (6624, 38736), (6912, 37122), (7263, 35328), (7452, 34432), (8608, 29808), (8832, 29052), (9684, 26496), (9936, 25824), (10368, 24748), (11776, 21789), (12374, 20736), (12912, 19872), (13248, 19368), (13824, 18561), (14526, 17664), (14904, 17216)]