257600960

素因数分解:

$2^6\times 5^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{193}}^1$

素因数の和:350

約数の個数: 112

約数和(自身を含む): 637434336

約数和(自身を除く): 379833376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 97, 160, 172, 193, 194, 215, 320, 344, 386, 388, 430, 485, 688, 772, 776, 860, 965, 970, 1376, 1544, 1552, 1720, 1930, 1940, 2752, 3088, 3104, 3440, 3860, 3880, 4171, 6176, 6208, 6880, 7720, 7760, 8299, 8342, 12352, 13760, 15440, 15520, 16598, 16684, 18721, 20855, 30880, 31040, 33196, 33368, 37442, 41495, 41710, 61760, 66392, 66736, 74884, 82990, 83420, 93605, 132784, 133472, 149768, 165980, 166840, 187210, 265568, 266944, 299536, 331960, 333680, 374420, 531136, 599072, 663920, 667360, 748840, 805003, 1198144, 1327840, 1334720, 1497680, 1610006, 2655680, 2995360, 3220012, 4025015, 5990720, 6440024, 8050030, 12880048, 16100060, 25760096, 32200120, 51520192, 64400240, 128800480, 257600960]

約数ペア:

[(1, 257600960), (2, 128800480), (4, 64400240), (5, 51520192), (8, 32200120), (10, 25760096), (16, 16100060), (20, 12880048), (32, 8050030), (40, 6440024), (43, 5990720), (64, 4025015), (80, 3220012), (86, 2995360), (97, 2655680), (160, 1610006), (172, 1497680), (193, 1334720), (194, 1327840), (215, 1198144), (320, 805003), (344, 748840), (386, 667360), (388, 663920), (430, 599072), (485, 531136), (688, 374420), (772, 333680), (776, 331960), (860, 299536), (965, 266944), (970, 265568), (1376, 187210), (1544, 166840), (1552, 165980), (1720, 149768), (1930, 133472), (1940, 132784), (2752, 93605), (3088, 83420), (3104, 82990), (3440, 74884), (3860, 66736), (3880, 66392), (4171, 61760), (6176, 41710), (6208, 41495), (6880, 37442), (7720, 33368), (7760, 33196), (8299, 31040), (8342, 30880), (12352, 20855), (13760, 18721), (15440, 16684), (15520, 16598)]