257753088

素因数分解:

$2^{16}\times 3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:80

約数の個数: 204

約数和(自身を含む): 817883040

約数和(自身を除く): 560129952

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 23, 24, 32, 36, 38, 46, 48, 57, 64, 69, 72, 76, 92, 96, 114, 128, 138, 144, 152, 171, 184, 192, 207, 228, 256, 276, 288, 304, 342, 368, 384, 414, 437, 456, 512, 552, 576, 608, 684, 736, 768, 828, 874, 912, 1024, 1104, 1152, 1216, 1311, 1368, 1472, 1536, 1656, 1748, 1824, 2048, 2208, 2304, 2432, 2622, 2736, 2944, 3072, 3312, 3496, 3648, 3933, 4096, 4416, 4608, 4864, 5244, 5472, 5888, 6144, 6624, 6992, 7296, 7866, 8192, 8832, 9216, 9728, 10488, 10944, 11776, 12288, 13248, 13984, 14592, 15732, 16384, 17664, 18432, 19456, 20976, 21888, 23552, 24576, 26496, 27968, 29184, 31464, 32768, 35328, 36864, 38912, 41952, 43776, 47104, 49152, 52992, 55936, 58368, 62928, 65536, 70656, 73728, 77824, 83904, 87552, 94208, 98304, 105984, 111872, 116736, 125856, 141312, 147456, 155648, 167808, 175104, 188416, 196608, 211968, 223744, 233472, 251712, 282624, 294912, 311296, 335616, 350208, 376832, 423936, 447488, 466944, 503424, 565248, 589824, 622592, 671232, 700416, 753664, 847872, 894976, 933888, 1006848, 1130496, 1245184, 1342464, 1400832, 1507328, 1695744, 1789952, 1867776, 2013696, 2260992, 2684928, 2801664, 3391488, 3579904, 3735552, 4027392, 4521984, 5369856, 5603328, 6782976, 7159808, 8054784, 10739712, 11206656, 13565952, 14319616, 16109568, 21479424, 28639232, 32219136, 42958848, 64438272, 85917696, 128876544, 257753088]

約数ペア:

[(1, 257753088), (2, 128876544), (3, 85917696), (4, 64438272), (6, 42958848), (8, 32219136), (9, 28639232), (12, 21479424), (16, 16109568), (18, 14319616), (19, 13565952), (23, 11206656), (24, 10739712), (32, 8054784), (36, 7159808), (38, 6782976), (46, 5603328), (48, 5369856), (57, 4521984), (64, 4027392), (69, 3735552), (72, 3579904), (76, 3391488), (92, 2801664), (96, 2684928), (114, 2260992), (128, 2013696), (138, 1867776), (144, 1789952), (152, 1695744), (171, 1507328), (184, 1400832), (192, 1342464), (207, 1245184), (228, 1130496), (256, 1006848), (276, 933888), (288, 894976), (304, 847872), (342, 753664), (368, 700416), (384, 671232), (414, 622592), (437, 589824), (456, 565248), (512, 503424), (552, 466944), (576, 447488), (608, 423936), (684, 376832), (736, 350208), (768, 335616), (828, 311296), (874, 294912), (912, 282624), (1024, 251712), (1104, 233472), (1152, 223744), (1216, 211968), (1311, 196608), (1368, 188416), (1472, 175104), (1536, 167808), (1656, 155648), (1748, 147456), (1824, 141312), (2048, 125856), (2208, 116736), (2304, 111872), (2432, 105984), (2622, 98304), (2736, 94208), (2944, 87552), (3072, 83904), (3312, 77824), (3496, 73728), (3648, 70656), (3933, 65536), (4096, 62928), (4416, 58368), (4608, 55936), (4864, 52992), (5244, 49152), (5472, 47104), (5888, 43776), (6144, 41952), (6624, 38912), (6992, 36864), (7296, 35328), (7866, 32768), (8192, 31464), (8832, 29184), (9216, 27968), (9728, 26496), (10488, 24576), (10944, 23552), (11776, 21888), (12288, 20976), (13248, 19456), (13984, 18432), (14592, 17664), (15732, 16384)]