257289984

素因数分解:

$2^8\times 3^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:132

約数の個数: 324

約数和(自身を含む): 899674776

約数和(自身を除く): 642384792

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 43, 48, 49, 53, 56, 63, 64, 72, 84, 86, 96, 98, 106, 112, 126, 128, 129, 144, 147, 159, 168, 172, 192, 196, 212, 224, 252, 256, 258, 288, 294, 301, 318, 336, 344, 371, 384, 387, 392, 424, 441, 448, 477, 504, 516, 576, 588, 602, 636, 672, 688, 742, 768, 774, 784, 848, 882, 896, 903, 954, 1008, 1032, 1113, 1152, 1176, 1204, 1272, 1344, 1376, 1484, 1548, 1568, 1696, 1764, 1792, 1806, 1908, 2016, 2064, 2107, 2226, 2279, 2304, 2352, 2408, 2544, 2597, 2688, 2709, 2752, 2968, 3096, 3136, 3339, 3392, 3528, 3612, 3816, 4032, 4128, 4214, 4452, 4558, 4704, 4816, 5088, 5194, 5376, 5418, 5504, 5936, 6192, 6272, 6321, 6678, 6784, 6837, 7056, 7224, 7632, 7791, 8064, 8256, 8428, 8904, 9116, 9408, 9632, 10176, 10388, 10836, 11008, 11872, 12384, 12544, 12642, 13356, 13568, 13674, 14112, 14448, 15264, 15582, 15953, 16128, 16512, 16856, 17808, 18232, 18816, 18963, 19264, 20352, 20511, 20776, 21672, 23373, 23744, 24768, 25284, 26712, 27348, 28224, 28896, 30528, 31164, 31906, 33024, 33712, 35616, 36464, 37632, 37926, 38528, 40704, 41022, 41552, 43344, 46746, 47488, 47859, 49536, 50568, 53424, 54696, 56448, 57792, 61056, 62328, 63812, 67424, 71232, 72928, 75852, 77056, 82044, 83104, 86688, 93492, 94976, 95718, 99072, 101136, 106848, 109392, 111671, 112896, 115584, 122112, 124656, 127624, 134848, 142464, 143577, 145856, 151704, 164088, 166208, 173376, 186984, 191436, 202272, 213696, 218784, 223342, 231168, 249312, 255248, 269696, 284928, 287154, 291712, 303408, 328176, 332416, 335013, 346752, 373968, 382872, 404544, 427392, 437568, 446684, 498624, 510496, 539392, 574308, 583424, 606816, 656352, 664832, 670026, 693504, 747936, 765744, 809088, 854784, 875136, 893368, 997248, 1005039, 1020992, 1148616, 1213632, 1312704, 1340052, 1495872, 1531488, 1618176, 1750272, 1786736, 1994496, 2010078, 2041984, 2297232, 2427264, 2625408, 2680104, 2991744, 3062976, 3573472, 4020156, 4083968, 4594464, 4854528, 5250816, 5360208, 5983488, 6125952, 7146944, 8040312, 9188928, 10720416, 12251904, 14293888, 16080624, 18377856, 21440832, 28587776, 32161248, 36755712, 42881664, 64322496, 85763328, 128644992, 257289984]

約数ペア:

[(1, 257289984), (2, 128644992), (3, 85763328), (4, 64322496), (6, 42881664), (7, 36755712), (8, 32161248), (9, 28587776), (12, 21440832), (14, 18377856), (16, 16080624), (18, 14293888), (21, 12251904), (24, 10720416), (28, 9188928), (32, 8040312), (36, 7146944), (42, 6125952), (43, 5983488), (48, 5360208), (49, 5250816), (53, 4854528), (56, 4594464), (63, 4083968), (64, 4020156), (72, 3573472), (84, 3062976), (86, 2991744), (96, 2680104), (98, 2625408), (106, 2427264), (112, 2297232), (126, 2041984), (128, 2010078), (129, 1994496), (144, 1786736), (147, 1750272), (159, 1618176), (168, 1531488), (172, 1495872), (192, 1340052), (196, 1312704), (212, 1213632), (224, 1148616), (252, 1020992), (256, 1005039), (258, 997248), (288, 893368), (294, 875136), (301, 854784), (318, 809088), (336, 765744), (344, 747936), (371, 693504), (384, 670026), (387, 664832), (392, 656352), (424, 606816), (441, 583424), (448, 574308), (477, 539392), (504, 510496), (516, 498624), (576, 446684), (588, 437568), (602, 427392), (636, 404544), (672, 382872), (688, 373968), (742, 346752), (768, 335013), (774, 332416), (784, 328176), (848, 303408), (882, 291712), (896, 287154), (903, 284928), (954, 269696), (1008, 255248), (1032, 249312), (1113, 231168), (1152, 223342), (1176, 218784), (1204, 213696), (1272, 202272), (1344, 191436), (1376, 186984), (1484, 173376), (1548, 166208), (1568, 164088), (1696, 151704), (1764, 145856), (1792, 143577), (1806, 142464), (1908, 134848), (2016, 127624), (2064, 124656), (2107, 122112), (2226, 115584), (2279, 112896), (2304, 111671), (2352, 109392), (2408, 106848), (2544, 101136), (2597, 99072), (2688, 95718), (2709, 94976), (2752, 93492), (2968, 86688), (3096, 83104), (3136, 82044), (3339, 77056), (3392, 75852), (3528, 72928), (3612, 71232), (3816, 67424), (4032, 63812), (4128, 62328), (4214, 61056), (4452, 57792), (4558, 56448), (4704, 54696), (4816, 53424), (5088, 50568), (5194, 49536), (5376, 47859), (5418, 47488), (5504, 46746), (5936, 43344), (6192, 41552), (6272, 41022), (6321, 40704), (6678, 38528), (6784, 37926), (6837, 37632), (7056, 36464), (7224, 35616), (7632, 33712), (7791, 33024), (8064, 31906), (8256, 31164), (8428, 30528), (8904, 28896), (9116, 28224), (9408, 27348), (9632, 26712), (10176, 25284), (10388, 24768), (10836, 23744), (11008, 23373), (11872, 21672), (12384, 20776), (12544, 20511), (12642, 20352), (13356, 19264), (13568, 18963), (13674, 18816), (14112, 18232), (14448, 17808), (15264, 16856), (15582, 16512), (15953, 16128)]