257123808

素因数分解:

$2^5\times 3^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1$

素因数の和:291

約数の個数: 240

約数和(自身を含む): 834261120

約数和(自身を除く): 577137312

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 23, 24, 27, 32, 36, 38, 46, 48, 54, 57, 69, 72, 76, 81, 92, 96, 108, 114, 138, 144, 152, 162, 171, 184, 207, 216, 227, 228, 276, 288, 304, 324, 342, 368, 414, 432, 437, 454, 456, 513, 552, 608, 621, 648, 681, 684, 736, 828, 864, 874, 908, 912, 1026, 1104, 1242, 1296, 1311, 1362, 1368, 1539, 1656, 1748, 1816, 1824, 1863, 2043, 2052, 2208, 2484, 2592, 2622, 2724, 2736, 3078, 3312, 3496, 3632, 3726, 3933, 4086, 4104, 4313, 4968, 5221, 5244, 5448, 5472, 6129, 6156, 6624, 6992, 7264, 7452, 7866, 8172, 8208, 8626, 9936, 10442, 10488, 10896, 11799, 12258, 12312, 12939, 13984, 14904, 15663, 15732, 16344, 16416, 17252, 18387, 19872, 20884, 20976, 21792, 23598, 24516, 24624, 25878, 29808, 31326, 31464, 32688, 34504, 35397, 36774, 38817, 41768, 41952, 46989, 47196, 49032, 49248, 51756, 59616, 62652, 62928, 65376, 69008, 70794, 73548, 77634, 83536, 93978, 94392, 98064, 99199, 103512, 116451, 125304, 125856, 138016, 140967, 141588, 147096, 155268, 167072, 187956, 188784, 196128, 198398, 207024, 232902, 250608, 281934, 283176, 294192, 297597, 310536, 349353, 375912, 377568, 396796, 414048, 422901, 465804, 501216, 563868, 566352, 588384, 595194, 621072, 698706, 751824, 793592, 845802, 892791, 931608, 1127736, 1132704, 1190388, 1242144, 1397412, 1503648, 1587184, 1691604, 1785582, 1863216, 2255472, 2380776, 2678373, 2794824, 3174368, 3383208, 3571164, 3726432, 4510944, 4761552, 5356746, 5589648, 6766416, 7142328, 8035119, 9523104, 10713492, 11179296, 13532832, 14284656, 16070238, 21426984, 28569312, 32140476, 42853968, 64280952, 85707936, 128561904, 257123808]

約数ペア:

[(1, 257123808), (2, 128561904), (3, 85707936), (4, 64280952), (6, 42853968), (8, 32140476), (9, 28569312), (12, 21426984), (16, 16070238), (18, 14284656), (19, 13532832), (23, 11179296), (24, 10713492), (27, 9523104), (32, 8035119), (36, 7142328), (38, 6766416), (46, 5589648), (48, 5356746), (54, 4761552), (57, 4510944), (69, 3726432), (72, 3571164), (76, 3383208), (81, 3174368), (92, 2794824), (96, 2678373), (108, 2380776), (114, 2255472), (138, 1863216), (144, 1785582), (152, 1691604), (162, 1587184), (171, 1503648), (184, 1397412), (207, 1242144), (216, 1190388), (227, 1132704), (228, 1127736), (276, 931608), (288, 892791), (304, 845802), (324, 793592), (342, 751824), (368, 698706), (414, 621072), (432, 595194), (437, 588384), (454, 566352), (456, 563868), (513, 501216), (552, 465804), (608, 422901), (621, 414048), (648, 396796), (681, 377568), (684, 375912), (736, 349353), (828, 310536), (864, 297597), (874, 294192), (908, 283176), (912, 281934), (1026, 250608), (1104, 232902), (1242, 207024), (1296, 198398), (1311, 196128), (1362, 188784), (1368, 187956), (1539, 167072), (1656, 155268), (1748, 147096), (1816, 141588), (1824, 140967), (1863, 138016), (2043, 125856), (2052, 125304), (2208, 116451), (2484, 103512), (2592, 99199), (2622, 98064), (2724, 94392), (2736, 93978), (3078, 83536), (3312, 77634), (3496, 73548), (3632, 70794), (3726, 69008), (3933, 65376), (4086, 62928), (4104, 62652), (4313, 59616), (4968, 51756), (5221, 49248), (5244, 49032), (5448, 47196), (5472, 46989), (6129, 41952), (6156, 41768), (6624, 38817), (6992, 36774), (7264, 35397), (7452, 34504), (7866, 32688), (8172, 31464), (8208, 31326), (8626, 29808), (9936, 25878), (10442, 24624), (10488, 24516), (10896, 23598), (11799, 21792), (12258, 20976), (12312, 20884), (12939, 19872), (13984, 18387), (14904, 17252), (15663, 16416), (15732, 16344)]