257029920

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{593}}^1$

素因数の和:664

約数の個数: 288

約数和(自身を含む): 1027458432

約数和(自身を除く): 770428512

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 43, 45, 48, 56, 60, 63, 70, 72, 80, 84, 86, 90, 96, 105, 112, 120, 126, 129, 140, 144, 160, 168, 172, 180, 210, 215, 224, 240, 252, 258, 280, 288, 301, 315, 336, 344, 360, 387, 420, 430, 480, 504, 516, 560, 593, 602, 630, 645, 672, 688, 720, 774, 840, 860, 903, 1008, 1032, 1120, 1186, 1204, 1260, 1290, 1376, 1440, 1505, 1548, 1680, 1720, 1779, 1806, 1935, 2016, 2064, 2372, 2408, 2520, 2580, 2709, 2965, 3010, 3096, 3360, 3440, 3558, 3612, 3870, 4128, 4151, 4515, 4744, 4816, 5040, 5160, 5337, 5418, 5930, 6020, 6192, 6880, 7116, 7224, 7740, 8302, 8895, 9030, 9488, 9632, 10080, 10320, 10674, 10836, 11860, 12040, 12384, 12453, 13545, 14232, 14448, 15480, 16604, 17790, 18060, 18976, 20640, 20755, 21348, 21672, 23720, 24080, 24906, 25499, 26685, 27090, 28464, 28896, 30960, 33208, 35580, 36120, 37359, 41510, 42696, 43344, 47440, 48160, 49812, 50998, 53370, 54180, 56928, 61920, 62265, 66416, 71160, 72240, 74718, 76497, 83020, 85392, 86688, 94880, 99624, 101996, 106740, 108360, 124530, 127495, 132832, 142320, 144480, 149436, 152994, 166040, 170784, 178493, 186795, 199248, 203992, 213480, 216720, 229491, 249060, 254990, 284640, 298872, 305988, 332080, 356986, 373590, 382485, 398496, 407984, 426960, 433440, 458982, 498120, 509980, 535479, 597744, 611976, 664160, 713972, 747180, 764970, 815968, 853920, 892465, 917964, 996240, 1019960, 1070958, 1147455, 1195488, 1223952, 1427944, 1494360, 1529940, 1606437, 1784930, 1835928, 1992480, 2039920, 2141916, 2294910, 2447904, 2677395, 2855888, 2988720, 3059880, 3212874, 3569860, 3671856, 4079840, 4283832, 4589820, 5354790, 5711776, 5977440, 6119760, 6425748, 7139720, 7343712, 8032185, 8567664, 9179640, 10709580, 12239520, 12851496, 14279440, 16064370, 17135328, 18359280, 21419160, 25702992, 28558880, 32128740, 36718560, 42838320, 51405984, 64257480, 85676640, 128514960, 257029920]

約数ペア:

[(1, 257029920), (2, 128514960), (3, 85676640), (4, 64257480), (5, 51405984), (6, 42838320), (7, 36718560), (8, 32128740), (9, 28558880), (10, 25702992), (12, 21419160), (14, 18359280), (15, 17135328), (16, 16064370), (18, 14279440), (20, 12851496), (21, 12239520), (24, 10709580), (28, 9179640), (30, 8567664), (32, 8032185), (35, 7343712), (36, 7139720), (40, 6425748), (42, 6119760), (43, 5977440), (45, 5711776), (48, 5354790), (56, 4589820), (60, 4283832), (63, 4079840), (70, 3671856), (72, 3569860), (80, 3212874), (84, 3059880), (86, 2988720), (90, 2855888), (96, 2677395), (105, 2447904), (112, 2294910), (120, 2141916), (126, 2039920), (129, 1992480), (140, 1835928), (144, 1784930), (160, 1606437), (168, 1529940), (172, 1494360), (180, 1427944), (210, 1223952), (215, 1195488), (224, 1147455), (240, 1070958), (252, 1019960), (258, 996240), (280, 917964), (288, 892465), (301, 853920), (315, 815968), (336, 764970), (344, 747180), (360, 713972), (387, 664160), (420, 611976), (430, 597744), (480, 535479), (504, 509980), (516, 498120), (560, 458982), (593, 433440), (602, 426960), (630, 407984), (645, 398496), (672, 382485), (688, 373590), (720, 356986), (774, 332080), (840, 305988), (860, 298872), (903, 284640), (1008, 254990), (1032, 249060), (1120, 229491), (1186, 216720), (1204, 213480), (1260, 203992), (1290, 199248), (1376, 186795), (1440, 178493), (1505, 170784), (1548, 166040), (1680, 152994), (1720, 149436), (1779, 144480), (1806, 142320), (1935, 132832), (2016, 127495), (2064, 124530), (2372, 108360), (2408, 106740), (2520, 101996), (2580, 99624), (2709, 94880), (2965, 86688), (3010, 85392), (3096, 83020), (3360, 76497), (3440, 74718), (3558, 72240), (3612, 71160), (3870, 66416), (4128, 62265), (4151, 61920), (4515, 56928), (4744, 54180), (4816, 53370), (5040, 50998), (5160, 49812), (5337, 48160), (5418, 47440), (5930, 43344), (6020, 42696), (6192, 41510), (6880, 37359), (7116, 36120), (7224, 35580), (7740, 33208), (8302, 30960), (8895, 28896), (9030, 28464), (9488, 27090), (9632, 26685), (10080, 25499), (10320, 24906), (10674, 24080), (10836, 23720), (11860, 21672), (12040, 21348), (12384, 20755), (12453, 20640), (13545, 18976), (14232, 18060), (14448, 17790), (15480, 16604)]