257375232

素因数分解:

$2^{10}\times 3^4\times {\mathrm{29}}^1\times {\mathrm{107}}^1$

素因数の和:168

約数の個数: 220

約数和(自身を含む): 802505880

約数和(自身を除く): 545130648

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 29, 32, 36, 48, 54, 58, 64, 72, 81, 87, 96, 107, 108, 116, 128, 144, 162, 174, 192, 214, 216, 232, 256, 261, 288, 321, 324, 348, 384, 428, 432, 464, 512, 522, 576, 642, 648, 696, 768, 783, 856, 864, 928, 963, 1024, 1044, 1152, 1284, 1296, 1392, 1536, 1566, 1712, 1728, 1856, 1926, 2088, 2304, 2349, 2568, 2592, 2784, 2889, 3072, 3103, 3132, 3424, 3456, 3712, 3852, 4176, 4608, 4698, 5136, 5184, 5568, 5778, 6206, 6264, 6848, 6912, 7424, 7704, 8352, 8667, 9216, 9309, 9396, 10272, 10368, 11136, 11556, 12412, 12528, 13696, 13824, 14848, 15408, 16704, 17334, 18618, 18792, 20544, 20736, 22272, 23112, 24824, 25056, 27392, 27648, 27927, 29696, 30816, 33408, 34668, 37236, 37584, 41088, 41472, 44544, 46224, 49648, 50112, 54784, 55854, 61632, 66816, 69336, 74472, 75168, 82176, 82944, 83781, 89088, 92448, 99296, 100224, 109568, 111708, 123264, 133632, 138672, 148944, 150336, 164352, 167562, 184896, 198592, 200448, 223416, 246528, 251343, 267264, 277344, 297888, 300672, 328704, 335124, 369792, 397184, 400896, 446832, 493056, 502686, 554688, 595776, 601344, 670248, 739584, 794368, 801792, 893664, 986112, 1005372, 1109376, 1191552, 1202688, 1340496, 1479168, 1588736, 1787328, 2010744, 2218752, 2383104, 2405376, 2680992, 2958336, 3177472, 3574656, 4021488, 4437504, 4766208, 5361984, 7149312, 8042976, 8875008, 9532416, 10723968, 14298624, 16085952, 21447936, 28597248, 32171904, 42895872, 64343808, 85791744, 128687616, 257375232]

約数ペア:

[(1, 257375232), (2, 128687616), (3, 85791744), (4, 64343808), (6, 42895872), (8, 32171904), (9, 28597248), (12, 21447936), (16, 16085952), (18, 14298624), (24, 10723968), (27, 9532416), (29, 8875008), (32, 8042976), (36, 7149312), (48, 5361984), (54, 4766208), (58, 4437504), (64, 4021488), (72, 3574656), (81, 3177472), (87, 2958336), (96, 2680992), (107, 2405376), (108, 2383104), (116, 2218752), (128, 2010744), (144, 1787328), (162, 1588736), (174, 1479168), (192, 1340496), (214, 1202688), (216, 1191552), (232, 1109376), (256, 1005372), (261, 986112), (288, 893664), (321, 801792), (324, 794368), (348, 739584), (384, 670248), (428, 601344), (432, 595776), (464, 554688), (512, 502686), (522, 493056), (576, 446832), (642, 400896), (648, 397184), (696, 369792), (768, 335124), (783, 328704), (856, 300672), (864, 297888), (928, 277344), (963, 267264), (1024, 251343), (1044, 246528), (1152, 223416), (1284, 200448), (1296, 198592), (1392, 184896), (1536, 167562), (1566, 164352), (1712, 150336), (1728, 148944), (1856, 138672), (1926, 133632), (2088, 123264), (2304, 111708), (2349, 109568), (2568, 100224), (2592, 99296), (2784, 92448), (2889, 89088), (3072, 83781), (3103, 82944), (3132, 82176), (3424, 75168), (3456, 74472), (3712, 69336), (3852, 66816), (4176, 61632), (4608, 55854), (4698, 54784), (5136, 50112), (5184, 49648), (5568, 46224), (5778, 44544), (6206, 41472), (6264, 41088), (6848, 37584), (6912, 37236), (7424, 34668), (7704, 33408), (8352, 30816), (8667, 29696), (9216, 27927), (9309, 27648), (9396, 27392), (10272, 25056), (10368, 24824), (11136, 23112), (11556, 22272), (12412, 20736), (12528, 20544), (13696, 18792), (13824, 18618), (14848, 17334), (15408, 16704)]