256720672

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1171}}^1$

素因数の和:1242

約数の個数: 96

約数和(自身を含む): 595413504

約数和(自身を除く): 338692832

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 31, 32, 34, 52, 62, 68, 104, 124, 136, 208, 221, 248, 272, 403, 416, 442, 496, 527, 544, 806, 884, 992, 1054, 1171, 1612, 1768, 2108, 2342, 3224, 3536, 4216, 4684, 6448, 6851, 7072, 8432, 9368, 12896, 13702, 15223, 16864, 18736, 19907, 27404, 30446, 36301, 37472, 39814, 54808, 60892, 72602, 79628, 109616, 121784, 145204, 159256, 219232, 243568, 258791, 290408, 318512, 471913, 487136, 517582, 580816, 617117, 637024, 943826, 1035164, 1161632, 1234234, 1887652, 2070328, 2468468, 3775304, 4140656, 4936936, 7550608, 8022521, 8281312, 9873872, 15101216, 16045042, 19747744, 32090084, 64180168, 128360336, 256720672]

約数ペア:

[(1, 256720672), (2, 128360336), (4, 64180168), (8, 32090084), (13, 19747744), (16, 16045042), (17, 15101216), (26, 9873872), (31, 8281312), (32, 8022521), (34, 7550608), (52, 4936936), (62, 4140656), (68, 3775304), (104, 2468468), (124, 2070328), (136, 1887652), (208, 1234234), (221, 1161632), (248, 1035164), (272, 943826), (403, 637024), (416, 617117), (442, 580816), (496, 517582), (527, 487136), (544, 471913), (806, 318512), (884, 290408), (992, 258791), (1054, 243568), (1171, 219232), (1612, 159256), (1768, 145204), (2108, 121784), (2342, 109616), (3224, 79628), (3536, 72602), (4216, 60892), (4684, 54808), (6448, 39814), (6851, 37472), (7072, 36301), (8432, 30446), (9368, 27404), (12896, 19907), (13702, 18736), (15223, 16864)]