505280256

素因数分解:

$2^8\times 3^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{229}}^1$

素因数の和:291

約数の個数: 216

約数和(自身を含む): 1548575280

約数和(自身を除く): 1043295024

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 17, 24, 26, 32, 34, 39, 48, 51, 52, 64, 68, 78, 96, 102, 104, 128, 136, 156, 169, 192, 204, 208, 221, 229, 256, 272, 312, 338, 384, 408, 416, 442, 458, 507, 544, 624, 663, 676, 687, 768, 816, 832, 884, 916, 1014, 1088, 1248, 1326, 1352, 1374, 1632, 1664, 1768, 1832, 2028, 2176, 2496, 2652, 2704, 2748, 2873, 2977, 3264, 3328, 3536, 3664, 3893, 4056, 4352, 4992, 5304, 5408, 5496, 5746, 5954, 6528, 7072, 7328, 7786, 8112, 8619, 8931, 9984, 10608, 10816, 10992, 11492, 11679, 11908, 13056, 14144, 14656, 15572, 16224, 17238, 17862, 21216, 21632, 21984, 22984, 23358, 23816, 28288, 29312, 31144, 32448, 34476, 35724, 38701, 42432, 43264, 43968, 45968, 46716, 47632, 50609, 56576, 58624, 62288, 64896, 68952, 71448, 77402, 84864, 87936, 91936, 93432, 95264, 101218, 116103, 124576, 129792, 137904, 142896, 151827, 154804, 169728, 175872, 183872, 186864, 190528, 202436, 232206, 249152, 275808, 285792, 303654, 309608, 367744, 373728, 381056, 404872, 464412, 498304, 551616, 571584, 607308, 619216, 657917, 735488, 747456, 762112, 809744, 928824, 996608, 1103232, 1143168, 1214616, 1238432, 1315834, 1494912, 1619488, 1857648, 1973751, 2206464, 2286336, 2429232, 2476864, 2631668, 2989824, 3238976, 3715296, 3947502, 4858464, 4953728, 5263336, 6477952, 7430592, 7895004, 9716928, 9907456, 10526672, 12955904, 14861184, 15790008, 19433856, 21053344, 29722368, 31580016, 38867712, 42106688, 63160032, 84213376, 126320064, 168426752, 252640128, 505280256]

約数ペア:

[(1, 505280256), (2, 252640128), (3, 168426752), (4, 126320064), (6, 84213376), (8, 63160032), (12, 42106688), (13, 38867712), (16, 31580016), (17, 29722368), (24, 21053344), (26, 19433856), (32, 15790008), (34, 14861184), (39, 12955904), (48, 10526672), (51, 9907456), (52, 9716928), (64, 7895004), (68, 7430592), (78, 6477952), (96, 5263336), (102, 4953728), (104, 4858464), (128, 3947502), (136, 3715296), (156, 3238976), (169, 2989824), (192, 2631668), (204, 2476864), (208, 2429232), (221, 2286336), (229, 2206464), (256, 1973751), (272, 1857648), (312, 1619488), (338, 1494912), (384, 1315834), (408, 1238432), (416, 1214616), (442, 1143168), (458, 1103232), (507, 996608), (544, 928824), (624, 809744), (663, 762112), (676, 747456), (687, 735488), (768, 657917), (816, 619216), (832, 607308), (884, 571584), (916, 551616), (1014, 498304), (1088, 464412), (1248, 404872), (1326, 381056), (1352, 373728), (1374, 367744), (1632, 309608), (1664, 303654), (1768, 285792), (1832, 275808), (2028, 249152), (2176, 232206), (2496, 202436), (2652, 190528), (2704, 186864), (2748, 183872), (2873, 175872), (2977, 169728), (3264, 154804), (3328, 151827), (3536, 142896), (3664, 137904), (3893, 129792), (4056, 124576), (4352, 116103), (4992, 101218), (5304, 95264), (5408, 93432), (5496, 91936), (5746, 87936), (5954, 84864), (6528, 77402), (7072, 71448), (7328, 68952), (7786, 64896), (8112, 62288), (8619, 58624), (8931, 56576), (9984, 50609), (10608, 47632), (10816, 46716), (10992, 45968), (11492, 43968), (11679, 43264), (11908, 42432), (13056, 38701), (14144, 35724), (14656, 34476), (15572, 32448), (16224, 31144), (17238, 29312), (17862, 28288), (21216, 23816), (21632, 23358), (21984, 22984)]