257587512

素因数分解:

$2^3\times 3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1$

素因数の和:155

約数の個数: 256

約数和(自身を含む): 846720000

約数和(自身を除く): 589132488

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 29, 39, 42, 49, 52, 56, 58, 78, 83, 84, 87, 91, 98, 104, 116, 147, 156, 166, 168, 174, 182, 196, 203, 232, 249, 273, 294, 312, 332, 343, 348, 364, 377, 392, 406, 498, 546, 581, 588, 609, 637, 664, 686, 696, 728, 754, 812, 996, 1029, 1079, 1092, 1131, 1162, 1176, 1218, 1274, 1372, 1421, 1508, 1624, 1743, 1911, 1992, 2058, 2158, 2184, 2262, 2324, 2407, 2436, 2548, 2639, 2744, 2842, 3016, 3237, 3486, 3822, 4067, 4116, 4263, 4316, 4459, 4524, 4648, 4814, 4872, 5096, 5278, 5684, 6474, 6972, 7221, 7553, 7644, 7917, 8134, 8232, 8526, 8632, 8918, 9048, 9628, 9947, 10556, 11368, 12201, 12948, 13377, 13944, 14442, 15106, 15288, 15834, 16268, 16849, 17052, 17836, 18473, 19256, 19894, 21112, 22659, 24402, 25896, 26754, 28469, 28884, 29841, 30212, 31291, 31668, 32536, 33698, 34104, 35672, 36946, 39788, 45318, 48804, 50547, 52871, 53508, 55419, 56938, 57768, 59682, 60424, 62582, 63336, 67396, 73892, 79576, 85407, 90636, 93873, 97608, 101094, 105742, 107016, 110838, 113876, 117943, 119364, 125164, 129311, 134792, 147784, 158613, 170814, 181272, 187746, 202188, 211484, 219037, 221676, 227752, 235886, 238728, 250328, 258622, 317226, 341628, 353829, 370097, 375492, 387933, 404376, 422968, 438074, 443352, 471772, 517244, 634452, 657111, 683256, 707658, 740194, 750984, 775866, 825601, 876148, 943544, 1034488, 1110291, 1268904, 1314222, 1415316, 1480388, 1533259, 1551732, 1651202, 1752296, 2220582, 2476803, 2628444, 2830632, 2960776, 3066518, 3103464, 3302404, 4441164, 4599777, 4953606, 5256888, 6133036, 6604808, 8882328, 9199554, 9907212, 10732813, 12266072, 18399108, 19814424, 21465626, 32198439, 36798216, 42931252, 64396878, 85862504, 128793756, 257587512]

約数ペア:

[(1, 257587512), (2, 128793756), (3, 85862504), (4, 64396878), (6, 42931252), (7, 36798216), (8, 32198439), (12, 21465626), (13, 19814424), (14, 18399108), (21, 12266072), (24, 10732813), (26, 9907212), (28, 9199554), (29, 8882328), (39, 6604808), (42, 6133036), (49, 5256888), (52, 4953606), (56, 4599777), (58, 4441164), (78, 3302404), (83, 3103464), (84, 3066518), (87, 2960776), (91, 2830632), (98, 2628444), (104, 2476803), (116, 2220582), (147, 1752296), (156, 1651202), (166, 1551732), (168, 1533259), (174, 1480388), (182, 1415316), (196, 1314222), (203, 1268904), (232, 1110291), (249, 1034488), (273, 943544), (294, 876148), (312, 825601), (332, 775866), (343, 750984), (348, 740194), (364, 707658), (377, 683256), (392, 657111), (406, 634452), (498, 517244), (546, 471772), (581, 443352), (588, 438074), (609, 422968), (637, 404376), (664, 387933), (686, 375492), (696, 370097), (728, 353829), (754, 341628), (812, 317226), (996, 258622), (1029, 250328), (1079, 238728), (1092, 235886), (1131, 227752), (1162, 221676), (1176, 219037), (1218, 211484), (1274, 202188), (1372, 187746), (1421, 181272), (1508, 170814), (1624, 158613), (1743, 147784), (1911, 134792), (1992, 129311), (2058, 125164), (2158, 119364), (2184, 117943), (2262, 113876), (2324, 110838), (2407, 107016), (2436, 105742), (2548, 101094), (2639, 97608), (2744, 93873), (2842, 90636), (3016, 85407), (3237, 79576), (3486, 73892), (3822, 67396), (4067, 63336), (4116, 62582), (4263, 60424), (4316, 59682), (4459, 57768), (4524, 56938), (4648, 55419), (4814, 53508), (4872, 52871), (5096, 50547), (5278, 48804), (5684, 45318), (6474, 39788), (6972, 36946), (7221, 35672), (7553, 34104), (7644, 33698), (7917, 32536), (8134, 31668), (8232, 31291), (8526, 30212), (8632, 29841), (8918, 28884), (9048, 28469), (9628, 26754), (9947, 25896), (10556, 24402), (11368, 22659), (12201, 21112), (12948, 19894), (13377, 19256), (13944, 18473), (14442, 17836), (15106, 17052), (15288, 16849), (15834, 16268)]