285481728

素因数分解:

$2^8\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{571}}^1$

素因数の和:631

約数の個数: 216

約数和(自身を含む): 972747776

約数和(自身を除く): 687266048

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 31, 32, 36, 42, 48, 56, 62, 63, 64, 72, 84, 93, 96, 112, 124, 126, 128, 144, 168, 186, 192, 217, 224, 248, 252, 256, 279, 288, 336, 372, 384, 434, 448, 496, 504, 558, 571, 576, 651, 672, 744, 768, 868, 896, 992, 1008, 1116, 1142, 1152, 1302, 1344, 1488, 1713, 1736, 1792, 1953, 1984, 2016, 2232, 2284, 2304, 2604, 2688, 2976, 3426, 3472, 3906, 3968, 3997, 4032, 4464, 4568, 5139, 5208, 5376, 5952, 6852, 6944, 7812, 7936, 7994, 8064, 8928, 9136, 10278, 10416, 11904, 11991, 13704, 13888, 15624, 15988, 16128, 17701, 17856, 18272, 20556, 20832, 23808, 23982, 27408, 27776, 31248, 31976, 35402, 35712, 35973, 36544, 41112, 41664, 47964, 53103, 54816, 55552, 62496, 63952, 70804, 71424, 71946, 73088, 82224, 83328, 95928, 106206, 109632, 123907, 124992, 127904, 141608, 143892, 146176, 159309, 164448, 166656, 191856, 212412, 219264, 247814, 249984, 255808, 283216, 287784, 318618, 328896, 371721, 383712, 424824, 438528, 495628, 499968, 511616, 566432, 575568, 637236, 657792, 743442, 767424, 849648, 991256, 1023232, 1115163, 1132864, 1151136, 1274472, 1315584, 1486884, 1534848, 1699296, 1982512, 2230326, 2265728, 2302272, 2548944, 2973768, 3069696, 3398592, 3965024, 4460652, 4531456, 4604544, 5097888, 5947536, 6797184, 7930048, 8921304, 9209088, 10195776, 11895072, 13594368, 15860096, 17842608, 20391552, 23790144, 31720192, 35685216, 40783104, 47580288, 71370432, 95160576, 142740864, 285481728]

約数ペア:

[(1, 285481728), (2, 142740864), (3, 95160576), (4, 71370432), (6, 47580288), (7, 40783104), (8, 35685216), (9, 31720192), (12, 23790144), (14, 20391552), (16, 17842608), (18, 15860096), (21, 13594368), (24, 11895072), (28, 10195776), (31, 9209088), (32, 8921304), (36, 7930048), (42, 6797184), (48, 5947536), (56, 5097888), (62, 4604544), (63, 4531456), (64, 4460652), (72, 3965024), (84, 3398592), (93, 3069696), (96, 2973768), (112, 2548944), (124, 2302272), (126, 2265728), (128, 2230326), (144, 1982512), (168, 1699296), (186, 1534848), (192, 1486884), (217, 1315584), (224, 1274472), (248, 1151136), (252, 1132864), (256, 1115163), (279, 1023232), (288, 991256), (336, 849648), (372, 767424), (384, 743442), (434, 657792), (448, 637236), (496, 575568), (504, 566432), (558, 511616), (571, 499968), (576, 495628), (651, 438528), (672, 424824), (744, 383712), (768, 371721), (868, 328896), (896, 318618), (992, 287784), (1008, 283216), (1116, 255808), (1142, 249984), (1152, 247814), (1302, 219264), (1344, 212412), (1488, 191856), (1713, 166656), (1736, 164448), (1792, 159309), (1953, 146176), (1984, 143892), (2016, 141608), (2232, 127904), (2284, 124992), (2304, 123907), (2604, 109632), (2688, 106206), (2976, 95928), (3426, 83328), (3472, 82224), (3906, 73088), (3968, 71946), (3997, 71424), (4032, 70804), (4464, 63952), (4568, 62496), (5139, 55552), (5208, 54816), (5376, 53103), (5952, 47964), (6852, 41664), (6944, 41112), (7812, 36544), (7936, 35973), (7994, 35712), (8064, 35402), (8928, 31976), (9136, 31248), (10278, 27776), (10416, 27408), (11904, 23982), (11991, 23808), (13704, 20832), (13888, 20556), (15624, 18272), (15988, 17856), (16128, 17701)]