257500512

素因数分解:

$2^5\times 3^3\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1$

素因数の和:330

約数の個数: 192

約数和(自身を含む): 798336000

約数和(自身を除く): 540835488

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 29, 32, 36, 43, 48, 54, 58, 72, 86, 87, 96, 108, 116, 129, 144, 172, 174, 216, 232, 239, 258, 261, 288, 344, 348, 387, 432, 464, 478, 516, 522, 688, 696, 717, 774, 783, 864, 928, 956, 1032, 1044, 1161, 1247, 1376, 1392, 1434, 1548, 1566, 1912, 2064, 2088, 2151, 2322, 2494, 2784, 2868, 3096, 3132, 3741, 3824, 4128, 4176, 4302, 4644, 4988, 5736, 6192, 6264, 6453, 6931, 7482, 7648, 8352, 8604, 9288, 9976, 10277, 11223, 11472, 12384, 12528, 12906, 13862, 14964, 17208, 18576, 19952, 20554, 20793, 22446, 22944, 25056, 25812, 27724, 29928, 30831, 33669, 34416, 37152, 39904, 41108, 41586, 44892, 51624, 55448, 59856, 61662, 62379, 67338, 68832, 82216, 83172, 89784, 92493, 103248, 110896, 119712, 123324, 124758, 134676, 164432, 166344, 179568, 184986, 187137, 206496, 221792, 246648, 249516, 269352, 277479, 298033, 328864, 332688, 359136, 369972, 374274, 493296, 499032, 538704, 554958, 596066, 665376, 739944, 748548, 894099, 986592, 998064, 1077408, 1109916, 1192132, 1479888, 1497096, 1788198, 1996128, 2219832, 2384264, 2682297, 2959776, 2994192, 3576396, 4439664, 4768528, 5364594, 5988384, 7152792, 8046891, 8879328, 9537056, 10729188, 14305584, 16093782, 21458376, 28611168, 32187564, 42916752, 64375128, 85833504, 128750256, 257500512]

約数ペア:

[(1, 257500512), (2, 128750256), (3, 85833504), (4, 64375128), (6, 42916752), (8, 32187564), (9, 28611168), (12, 21458376), (16, 16093782), (18, 14305584), (24, 10729188), (27, 9537056), (29, 8879328), (32, 8046891), (36, 7152792), (43, 5988384), (48, 5364594), (54, 4768528), (58, 4439664), (72, 3576396), (86, 2994192), (87, 2959776), (96, 2682297), (108, 2384264), (116, 2219832), (129, 1996128), (144, 1788198), (172, 1497096), (174, 1479888), (216, 1192132), (232, 1109916), (239, 1077408), (258, 998064), (261, 986592), (288, 894099), (344, 748548), (348, 739944), (387, 665376), (432, 596066), (464, 554958), (478, 538704), (516, 499032), (522, 493296), (688, 374274), (696, 369972), (717, 359136), (774, 332688), (783, 328864), (864, 298033), (928, 277479), (956, 269352), (1032, 249516), (1044, 246648), (1161, 221792), (1247, 206496), (1376, 187137), (1392, 184986), (1434, 179568), (1548, 166344), (1566, 164432), (1912, 134676), (2064, 124758), (2088, 123324), (2151, 119712), (2322, 110896), (2494, 103248), (2784, 92493), (2868, 89784), (3096, 83172), (3132, 82216), (3741, 68832), (3824, 67338), (4128, 62379), (4176, 61662), (4302, 59856), (4644, 55448), (4988, 51624), (5736, 44892), (6192, 41586), (6264, 41108), (6453, 39904), (6931, 37152), (7482, 34416), (7648, 33669), (8352, 30831), (8604, 29928), (9288, 27724), (9976, 25812), (10277, 25056), (11223, 22944), (11472, 22446), (12384, 20793), (12528, 20554), (12906, 19952), (13862, 18576), (14964, 17208)]