256531968

素因数分解:

$2^9\times 3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{241}}^1$

素因数の和:286

約数の個数: 320

約数和(自身を含む): 950653440

約数和(自身を除く): 694121472

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 16, 18, 21, 22, 24, 27, 28, 32, 33, 36, 42, 44, 48, 54, 56, 63, 64, 66, 72, 77, 84, 88, 96, 99, 108, 112, 126, 128, 132, 144, 154, 168, 176, 189, 192, 198, 216, 224, 231, 241, 252, 256, 264, 288, 297, 308, 336, 352, 378, 384, 396, 432, 448, 462, 482, 504, 512, 528, 576, 594, 616, 672, 693, 704, 723, 756, 768, 792, 864, 896, 924, 964, 1008, 1056, 1152, 1188, 1232, 1344, 1386, 1408, 1446, 1512, 1536, 1584, 1687, 1728, 1792, 1848, 1928, 2016, 2079, 2112, 2169, 2304, 2376, 2464, 2651, 2688, 2772, 2816, 2892, 3024, 3168, 3374, 3456, 3584, 3696, 3856, 4032, 4158, 4224, 4338, 4608, 4752, 4928, 5061, 5302, 5376, 5544, 5632, 5784, 6048, 6336, 6507, 6748, 6912, 7392, 7712, 7953, 8064, 8316, 8448, 8676, 9504, 9856, 10122, 10604, 10752, 11088, 11568, 12096, 12672, 13014, 13496, 13824, 14784, 15183, 15424, 15906, 16128, 16632, 16896, 17352, 18557, 19008, 19712, 20244, 21208, 22176, 23136, 23859, 24192, 25344, 26028, 26992, 29568, 30366, 30848, 31812, 32256, 33264, 34704, 37114, 38016, 39424, 40488, 42416, 44352, 45549, 46272, 47718, 48384, 50688, 52056, 53984, 55671, 59136, 60732, 61696, 63624, 66528, 69408, 71577, 74228, 76032, 80976, 84832, 88704, 91098, 92544, 95436, 96768, 104112, 107968, 111342, 118272, 121464, 123392, 127248, 133056, 138816, 143154, 148456, 152064, 161952, 167013, 169664, 177408, 182196, 185088, 190872, 208224, 215936, 222684, 242928, 254496, 266112, 277632, 286308, 296912, 323904, 334026, 339328, 354816, 364392, 370176, 381744, 416448, 431872, 445368, 485856, 501039, 508992, 532224, 555264, 572616, 593824, 647808, 668052, 678656, 728784, 763488, 832896, 863744, 890736, 971712, 1002078, 1017984, 1064448, 1110528, 1145232, 1187648, 1295616, 1336104, 1357312, 1457568, 1526976, 1665792, 1781472, 1943424, 2004156, 2035968, 2290464, 2375296, 2591232, 2672208, 2915136, 3053952, 3331584, 3562944, 3886848, 4008312, 4071936, 4580928, 4750592, 5344416, 5830272, 6107904, 7125888, 7773696, 8016624, 9161856, 9501184, 10688832, 11660544, 12215808, 14251776, 16033248, 18323712, 21377664, 23321088, 28503552, 32066496, 36647424, 42755328, 64132992, 85510656, 128265984, 256531968]

約数ペア:

[(1, 256531968), (2, 128265984), (3, 85510656), (4, 64132992), (6, 42755328), (7, 36647424), (8, 32066496), (9, 28503552), (11, 23321088), (12, 21377664), (14, 18323712), (16, 16033248), (18, 14251776), (21, 12215808), (22, 11660544), (24, 10688832), (27, 9501184), (28, 9161856), (32, 8016624), (33, 7773696), (36, 7125888), (42, 6107904), (44, 5830272), (48, 5344416), (54, 4750592), (56, 4580928), (63, 4071936), (64, 4008312), (66, 3886848), (72, 3562944), (77, 3331584), (84, 3053952), (88, 2915136), (96, 2672208), (99, 2591232), (108, 2375296), (112, 2290464), (126, 2035968), (128, 2004156), (132, 1943424), (144, 1781472), (154, 1665792), (168, 1526976), (176, 1457568), (189, 1357312), (192, 1336104), (198, 1295616), (216, 1187648), (224, 1145232), (231, 1110528), (241, 1064448), (252, 1017984), (256, 1002078), (264, 971712), (288, 890736), (297, 863744), (308, 832896), (336, 763488), (352, 728784), (378, 678656), (384, 668052), (396, 647808), (432, 593824), (448, 572616), (462, 555264), (482, 532224), (504, 508992), (512, 501039), (528, 485856), (576, 445368), (594, 431872), (616, 416448), (672, 381744), (693, 370176), (704, 364392), (723, 354816), (756, 339328), (768, 334026), (792, 323904), (864, 296912), (896, 286308), (924, 277632), (964, 266112), (1008, 254496), (1056, 242928), (1152, 222684), (1188, 215936), (1232, 208224), (1344, 190872), (1386, 185088), (1408, 182196), (1446, 177408), (1512, 169664), (1536, 167013), (1584, 161952), (1687, 152064), (1728, 148456), (1792, 143154), (1848, 138816), (1928, 133056), (2016, 127248), (2079, 123392), (2112, 121464), (2169, 118272), (2304, 111342), (2376, 107968), (2464, 104112), (2651, 96768), (2688, 95436), (2772, 92544), (2816, 91098), (2892, 88704), (3024, 84832), (3168, 80976), (3374, 76032), (3456, 74228), (3584, 71577), (3696, 69408), (3856, 66528), (4032, 63624), (4158, 61696), (4224, 60732), (4338, 59136), (4608, 55671), (4752, 53984), (4928, 52056), (5061, 50688), (5302, 48384), (5376, 47718), (5544, 46272), (5632, 45549), (5784, 44352), (6048, 42416), (6336, 40488), (6507, 39424), (6748, 38016), (6912, 37114), (7392, 34704), (7712, 33264), (7953, 32256), (8064, 31812), (8316, 30848), (8448, 30366), (8676, 29568), (9504, 26992), (9856, 26028), (10122, 25344), (10604, 24192), (10752, 23859), (11088, 23136), (11568, 22176), (12096, 21208), (12672, 20244), (13014, 19712), (13496, 19008), (13824, 18557), (14784, 17352), (15183, 16896), (15424, 16632), (15906, 16128)]