257046048

素因数分解:

$2^5\times 3^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{457}}^1$

素因数の和:517

約数の個数: 240

約数和(自身を含む): 893781504

約数和(自身を除く): 636735456

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 31, 32, 36, 42, 48, 54, 56, 62, 63, 72, 81, 84, 93, 96, 108, 112, 124, 126, 144, 162, 168, 186, 189, 216, 217, 224, 248, 252, 279, 288, 324, 336, 372, 378, 432, 434, 457, 496, 504, 558, 567, 648, 651, 672, 744, 756, 837, 864, 868, 914, 992, 1008, 1116, 1134, 1296, 1302, 1371, 1488, 1512, 1674, 1736, 1828, 1953, 2016, 2232, 2268, 2511, 2592, 2604, 2742, 2976, 3024, 3199, 3348, 3472, 3656, 3906, 4113, 4464, 4536, 5022, 5208, 5484, 5859, 6048, 6398, 6696, 6944, 7312, 7812, 8226, 8928, 9072, 9597, 10044, 10416, 10968, 11718, 12339, 12796, 13392, 14167, 14624, 15624, 16452, 17577, 18144, 19194, 20088, 20832, 21936, 23436, 24678, 25592, 26784, 28334, 28791, 31248, 32904, 35154, 37017, 38388, 40176, 42501, 43872, 46872, 49356, 51184, 56668, 57582, 62496, 65808, 70308, 74034, 76776, 80352, 85002, 86373, 93744, 98712, 99169, 102368, 113336, 115164, 127503, 131616, 140616, 148068, 153552, 170004, 172746, 187488, 197424, 198338, 226672, 230328, 255006, 259119, 281232, 296136, 297507, 307104, 340008, 345492, 382509, 394848, 396676, 453344, 460656, 510012, 518238, 562464, 592272, 595014, 680016, 690984, 765018, 793352, 892521, 921312, 1020024, 1036476, 1147527, 1184544, 1190028, 1360032, 1381968, 1530036, 1586704, 1785042, 2040048, 2072952, 2295054, 2380056, 2677563, 2763936, 3060072, 3173408, 3570084, 4080096, 4145904, 4590108, 4760112, 5355126, 6120144, 7140168, 8032689, 8291808, 9180216, 9520224, 10710252, 12240288, 14280336, 16065378, 18360432, 21420504, 28560672, 32130756, 36720864, 42841008, 64261512, 85682016, 128523024, 257046048]

約数ペア:

[(1, 257046048), (2, 128523024), (3, 85682016), (4, 64261512), (6, 42841008), (7, 36720864), (8, 32130756), (9, 28560672), (12, 21420504), (14, 18360432), (16, 16065378), (18, 14280336), (21, 12240288), (24, 10710252), (27, 9520224), (28, 9180216), (31, 8291808), (32, 8032689), (36, 7140168), (42, 6120144), (48, 5355126), (54, 4760112), (56, 4590108), (62, 4145904), (63, 4080096), (72, 3570084), (81, 3173408), (84, 3060072), (93, 2763936), (96, 2677563), (108, 2380056), (112, 2295054), (124, 2072952), (126, 2040048), (144, 1785042), (162, 1586704), (168, 1530036), (186, 1381968), (189, 1360032), (216, 1190028), (217, 1184544), (224, 1147527), (248, 1036476), (252, 1020024), (279, 921312), (288, 892521), (324, 793352), (336, 765018), (372, 690984), (378, 680016), (432, 595014), (434, 592272), (457, 562464), (496, 518238), (504, 510012), (558, 460656), (567, 453344), (648, 396676), (651, 394848), (672, 382509), (744, 345492), (756, 340008), (837, 307104), (864, 297507), (868, 296136), (914, 281232), (992, 259119), (1008, 255006), (1116, 230328), (1134, 226672), (1296, 198338), (1302, 197424), (1371, 187488), (1488, 172746), (1512, 170004), (1674, 153552), (1736, 148068), (1828, 140616), (1953, 131616), (2016, 127503), (2232, 115164), (2268, 113336), (2511, 102368), (2592, 99169), (2604, 98712), (2742, 93744), (2976, 86373), (3024, 85002), (3199, 80352), (3348, 76776), (3472, 74034), (3656, 70308), (3906, 65808), (4113, 62496), (4464, 57582), (4536, 56668), (5022, 51184), (5208, 49356), (5484, 46872), (5859, 43872), (6048, 42501), (6398, 40176), (6696, 38388), (6944, 37017), (7312, 35154), (7812, 32904), (8226, 31248), (8928, 28791), (9072, 28334), (9597, 26784), (10044, 25592), (10416, 24678), (10968, 23436), (11718, 21936), (12339, 20832), (12796, 20088), (13392, 19194), (14167, 18144), (14624, 17577), (15624, 16452)]