257847408

素因数分解:

$2^4\times 3^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{937}}^1$

素因数の和:981

約数の個数: 240

約数和(自身を含む): 928169760

約数和(自身を除く): 670322352

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 27, 28, 36, 39, 42, 48, 49, 52, 54, 56, 63, 72, 78, 84, 91, 98, 104, 108, 112, 117, 126, 144, 147, 156, 168, 182, 189, 196, 208, 216, 234, 252, 273, 294, 312, 336, 351, 364, 378, 392, 432, 441, 468, 504, 546, 588, 624, 637, 702, 728, 756, 784, 819, 882, 936, 937, 1008, 1092, 1176, 1274, 1323, 1404, 1456, 1512, 1638, 1764, 1872, 1874, 1911, 2184, 2352, 2457, 2548, 2646, 2808, 2811, 3024, 3276, 3528, 3748, 3822, 4368, 4914, 5096, 5292, 5616, 5622, 5733, 6552, 6559, 7056, 7496, 7644, 8433, 9828, 10192, 10584, 11244, 11466, 12181, 13104, 13118, 14992, 15288, 16866, 17199, 19656, 19677, 21168, 22488, 22932, 24362, 25299, 26236, 30576, 33732, 34398, 36543, 39312, 39354, 44976, 45864, 45913, 48724, 50598, 52472, 59031, 67464, 68796, 73086, 78708, 85267, 91728, 91826, 97448, 101196, 104944, 109629, 118062, 134928, 137592, 137739, 146172, 157416, 170534, 177093, 183652, 194896, 202392, 219258, 236124, 255801, 275184, 275478, 292344, 314832, 328887, 341068, 354186, 367304, 404784, 413217, 438516, 472248, 511602, 550956, 584688, 596869, 657774, 682136, 708372, 734608, 767403, 826434, 877032, 944496, 1023204, 1101912, 1193738, 1239651, 1315548, 1364272, 1416744, 1534806, 1652868, 1754064, 1790607, 2046408, 2203824, 2302209, 2387476, 2479302, 2631096, 2833488, 3069612, 3305736, 3581214, 4092816, 4604418, 4774952, 4958604, 5262192, 5371821, 6139224, 6611472, 7162428, 9208836, 9549904, 9917208, 10743642, 12278448, 14324856, 16115463, 18417672, 19834416, 21487284, 28649712, 32230926, 36835344, 42974568, 64461852, 85949136, 128923704, 257847408]

約数ペア:

[(1, 257847408), (2, 128923704), (3, 85949136), (4, 64461852), (6, 42974568), (7, 36835344), (8, 32230926), (9, 28649712), (12, 21487284), (13, 19834416), (14, 18417672), (16, 16115463), (18, 14324856), (21, 12278448), (24, 10743642), (26, 9917208), (27, 9549904), (28, 9208836), (36, 7162428), (39, 6611472), (42, 6139224), (48, 5371821), (49, 5262192), (52, 4958604), (54, 4774952), (56, 4604418), (63, 4092816), (72, 3581214), (78, 3305736), (84, 3069612), (91, 2833488), (98, 2631096), (104, 2479302), (108, 2387476), (112, 2302209), (117, 2203824), (126, 2046408), (144, 1790607), (147, 1754064), (156, 1652868), (168, 1534806), (182, 1416744), (189, 1364272), (196, 1315548), (208, 1239651), (216, 1193738), (234, 1101912), (252, 1023204), (273, 944496), (294, 877032), (312, 826434), (336, 767403), (351, 734608), (364, 708372), (378, 682136), (392, 657774), (432, 596869), (441, 584688), (468, 550956), (504, 511602), (546, 472248), (588, 438516), (624, 413217), (637, 404784), (702, 367304), (728, 354186), (756, 341068), (784, 328887), (819, 314832), (882, 292344), (936, 275478), (937, 275184), (1008, 255801), (1092, 236124), (1176, 219258), (1274, 202392), (1323, 194896), (1404, 183652), (1456, 177093), (1512, 170534), (1638, 157416), (1764, 146172), (1872, 137739), (1874, 137592), (1911, 134928), (2184, 118062), (2352, 109629), (2457, 104944), (2548, 101196), (2646, 97448), (2808, 91826), (2811, 91728), (3024, 85267), (3276, 78708), (3528, 73086), (3748, 68796), (3822, 67464), (4368, 59031), (4914, 52472), (5096, 50598), (5292, 48724), (5616, 45913), (5622, 45864), (5733, 44976), (6552, 39354), (6559, 39312), (7056, 36543), (7496, 34398), (7644, 33732), (8433, 30576), (9828, 26236), (10192, 25299), (10584, 24362), (11244, 22932), (11466, 22488), (12181, 21168), (13104, 19677), (13118, 19656), (14992, 17199), (15288, 16866)]