256189248

素因数分解:

$2^6\times 3^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{313}}^1$

素因数の和:374

約数の個数: 252

約数和(自身を含む): 886487940

約数和(自身を除く): 630298692

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 29, 32, 36, 42, 48, 49, 56, 58, 63, 64, 72, 84, 87, 96, 98, 112, 116, 126, 144, 147, 168, 174, 192, 196, 203, 224, 232, 252, 261, 288, 294, 313, 336, 348, 392, 406, 441, 448, 464, 504, 522, 576, 588, 609, 626, 672, 696, 784, 812, 882, 928, 939, 1008, 1044, 1176, 1218, 1252, 1344, 1392, 1421, 1568, 1624, 1764, 1827, 1856, 1878, 2016, 2088, 2191, 2352, 2436, 2504, 2784, 2817, 2842, 3136, 3248, 3528, 3654, 3756, 4032, 4176, 4263, 4382, 4704, 4872, 5008, 5568, 5634, 5684, 6496, 6573, 7056, 7308, 7512, 8352, 8526, 8764, 9077, 9408, 9744, 10016, 11268, 11368, 12789, 12992, 13146, 14112, 14616, 15024, 15337, 16704, 17052, 17528, 18154, 19488, 19719, 20032, 22536, 22736, 25578, 26292, 27231, 28224, 29232, 30048, 30674, 34104, 35056, 36308, 38976, 39438, 45072, 45472, 46011, 51156, 52584, 54462, 58464, 60096, 61348, 63539, 68208, 70112, 72616, 78876, 81693, 90144, 90944, 92022, 102312, 105168, 108924, 116928, 122696, 127078, 136416, 138033, 140224, 145232, 157752, 163386, 180288, 184044, 190617, 204624, 210336, 217848, 245392, 254156, 272832, 276066, 290464, 315504, 326772, 368088, 381234, 409248, 420672, 435696, 444773, 490784, 508312, 552132, 571851, 580928, 631008, 653544, 736176, 762468, 818496, 871392, 889546, 981568, 1016624, 1104264, 1143702, 1262016, 1307088, 1334319, 1472352, 1524936, 1742784, 1779092, 2033248, 2208528, 2287404, 2614176, 2668638, 2944704, 3049872, 3558184, 4002957, 4066496, 4417056, 4574808, 5228352, 5337276, 6099744, 7116368, 8005914, 8834112, 9149616, 10674552, 12199488, 14232736, 16011828, 18299232, 21349104, 28465472, 32023656, 36598464, 42698208, 64047312, 85396416, 128094624, 256189248]

約数ペア:

[(1, 256189248), (2, 128094624), (3, 85396416), (4, 64047312), (6, 42698208), (7, 36598464), (8, 32023656), (9, 28465472), (12, 21349104), (14, 18299232), (16, 16011828), (18, 14232736), (21, 12199488), (24, 10674552), (28, 9149616), (29, 8834112), (32, 8005914), (36, 7116368), (42, 6099744), (48, 5337276), (49, 5228352), (56, 4574808), (58, 4417056), (63, 4066496), (64, 4002957), (72, 3558184), (84, 3049872), (87, 2944704), (96, 2668638), (98, 2614176), (112, 2287404), (116, 2208528), (126, 2033248), (144, 1779092), (147, 1742784), (168, 1524936), (174, 1472352), (192, 1334319), (196, 1307088), (203, 1262016), (224, 1143702), (232, 1104264), (252, 1016624), (261, 981568), (288, 889546), (294, 871392), (313, 818496), (336, 762468), (348, 736176), (392, 653544), (406, 631008), (441, 580928), (448, 571851), (464, 552132), (504, 508312), (522, 490784), (576, 444773), (588, 435696), (609, 420672), (626, 409248), (672, 381234), (696, 368088), (784, 326772), (812, 315504), (882, 290464), (928, 276066), (939, 272832), (1008, 254156), (1044, 245392), (1176, 217848), (1218, 210336), (1252, 204624), (1344, 190617), (1392, 184044), (1421, 180288), (1568, 163386), (1624, 157752), (1764, 145232), (1827, 140224), (1856, 138033), (1878, 136416), (2016, 127078), (2088, 122696), (2191, 116928), (2352, 108924), (2436, 105168), (2504, 102312), (2784, 92022), (2817, 90944), (2842, 90144), (3136, 81693), (3248, 78876), (3528, 72616), (3654, 70112), (3756, 68208), (4032, 63539), (4176, 61348), (4263, 60096), (4382, 58464), (4704, 54462), (4872, 52584), (5008, 51156), (5568, 46011), (5634, 45472), (5684, 45072), (6496, 39438), (6573, 38976), (7056, 36308), (7308, 35056), (7512, 34104), (8352, 30674), (8526, 30048), (8764, 29232), (9077, 28224), (9408, 27231), (9744, 26292), (10016, 25578), (11268, 22736), (11368, 22536), (12789, 20032), (12992, 19719), (13146, 19488), (14112, 18154), (14616, 17528), (15024, 17052), (15337, 16704)]