261483264

素因数分解:

$2^8\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{523}}^1$

素因数の和:583

約数の個数: 216

約数和(自身を含む): 891118592

約数和(自身を除く): 629635328

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, 523, 558, 576, 651, 672, 744, 768, 868, 896, 992, 1008, 1046, 1116, 1152, 1302, 1344, 1488, 1569, 1736, 1792, 1953, 1984, 2016, 2092, 2232, 2304, 2604, 2688, 2976, 3138, 3472, 3661, 3906, 3968, 4032, 4184, 4464, 4707, 5208, 5376, 5952, 6276, 6944, 7322, 7812, 7936, 8064, 8368, 8928, 9414, 10416, 10983, 11904, 12552, 13888, 14644, 15624, 16128, 16213, 16736, 17856, 18828, 20832, 21966, 23808, 25104, 27776, 29288, 31248, 32426, 32949, 33472, 35712, 37656, 41664, 43932, 48639, 50208, 55552, 58576, 62496, 64852, 65898, 66944, 71424, 75312, 83328, 87864, 97278, 100416, 113491, 117152, 124992, 129704, 131796, 133888, 145917, 150624, 166656, 175728, 194556, 200832, 226982, 234304, 249984, 259408, 263592, 291834, 301248, 340473, 351456, 389112, 401664, 453964, 468608, 499968, 518816, 527184, 583668, 602496, 680946, 702912, 778224, 907928, 937216, 1021419, 1037632, 1054368, 1167336, 1204992, 1361892, 1405824, 1556448, 1815856, 2042838, 2075264, 2108736, 2334672, 2723784, 2811648, 3112896, 3631712, 4085676, 4150528, 4217472, 4669344, 5447568, 6225792, 7263424, 8171352, 8434944, 9338688, 10895136, 12451584, 14526848, 16342704, 18677376, 21790272, 29053696, 32685408, 37354752, 43580544, 65370816, 87161088, 130741632, 261483264]

約数ペア:

[(1, 261483264), (2, 130741632), (3, 87161088), (4, 65370816), (6, 43580544), (7, 37354752), (8, 32685408), (9, 29053696), (12, 21790272), (14, 18677376), (16, 16342704), (18, 14526848), (21, 12451584), (24, 10895136), (28, 9338688), (31, 8434944), (32, 8171352), (36, 7263424), (42, 6225792), (48, 5447568), (56, 4669344), (62, 4217472), (63, 4150528), (64, 4085676), (72, 3631712), (84, 3112896), (93, 2811648), (96, 2723784), (112, 2334672), (124, 2108736), (126, 2075264), (128, 2042838), (144, 1815856), (168, 1556448), (186, 1405824), (192, 1361892), (217, 1204992), (224, 1167336), (248, 1054368), (252, 1037632), (256, 1021419), (279, 937216), (288, 907928), (336, 778224), (372, 702912), (384, 680946), (434, 602496), (448, 583668), (496, 527184), (504, 518816), (523, 499968), (558, 468608), (576, 453964), (651, 401664), (672, 389112), (744, 351456), (768, 340473), (868, 301248), (896, 291834), (992, 263592), (1008, 259408), (1046, 249984), (1116, 234304), (1152, 226982), (1302, 200832), (1344, 194556), (1488, 175728), (1569, 166656), (1736, 150624), (1792, 145917), (1953, 133888), (1984, 131796), (2016, 129704), (2092, 124992), (2232, 117152), (2304, 113491), (2604, 100416), (2688, 97278), (2976, 87864), (3138, 83328), (3472, 75312), (3661, 71424), (3906, 66944), (3968, 65898), (4032, 64852), (4184, 62496), (4464, 58576), (4707, 55552), (5208, 50208), (5376, 48639), (5952, 43932), (6276, 41664), (6944, 37656), (7322, 35712), (7812, 33472), (7936, 32949), (8064, 32426), (8368, 31248), (8928, 29288), (9414, 27776), (10416, 25104), (10983, 23808), (11904, 21966), (12552, 20832), (13888, 18828), (14644, 17856), (15624, 16736), (16128, 16213)]