256539648

素因数分解:

$2^{10}\times 3^1\times {\mathrm{37}}^2\times {\mathrm{61}}^1$

素因数の和:158

約数の個数: 132

約数和(自身を含む): 714271992

約数和(自身を除く): 457732344

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 37, 48, 61, 64, 74, 96, 111, 122, 128, 148, 183, 192, 222, 244, 256, 296, 366, 384, 444, 488, 512, 592, 732, 768, 888, 976, 1024, 1184, 1369, 1464, 1536, 1776, 1952, 2257, 2368, 2738, 2928, 3072, 3552, 3904, 4107, 4514, 4736, 5476, 5856, 6771, 7104, 7808, 8214, 9028, 9472, 10952, 11712, 13542, 14208, 15616, 16428, 18056, 18944, 21904, 23424, 27084, 28416, 31232, 32856, 36112, 37888, 43808, 46848, 54168, 56832, 62464, 65712, 72224, 83509, 87616, 93696, 108336, 113664, 131424, 144448, 167018, 175232, 187392, 216672, 250527, 262848, 288896, 334036, 350464, 433344, 501054, 525696, 577792, 668072, 700928, 866688, 1002108, 1051392, 1155584, 1336144, 1401856, 1733376, 2004216, 2102784, 2311168, 2672288, 3466752, 4008432, 4205568, 5344576, 6933504, 8016864, 10689152, 16033728, 21378304, 32067456, 42756608, 64134912, 85513216, 128269824, 256539648]

約数ペア:

[(1, 256539648), (2, 128269824), (3, 85513216), (4, 64134912), (6, 42756608), (8, 32067456), (12, 21378304), (16, 16033728), (24, 10689152), (32, 8016864), (37, 6933504), (48, 5344576), (61, 4205568), (64, 4008432), (74, 3466752), (96, 2672288), (111, 2311168), (122, 2102784), (128, 2004216), (148, 1733376), (183, 1401856), (192, 1336144), (222, 1155584), (244, 1051392), (256, 1002108), (296, 866688), (366, 700928), (384, 668072), (444, 577792), (488, 525696), (512, 501054), (592, 433344), (732, 350464), (768, 334036), (888, 288896), (976, 262848), (1024, 250527), (1184, 216672), (1369, 187392), (1464, 175232), (1536, 167018), (1776, 144448), (1952, 131424), (2257, 113664), (2368, 108336), (2738, 93696), (2928, 87616), (3072, 83509), (3552, 72224), (3904, 65712), (4107, 62464), (4514, 56832), (4736, 54168), (5476, 46848), (5856, 43808), (6771, 37888), (7104, 36112), (7808, 32856), (8214, 31232), (9028, 28416), (9472, 27084), (10952, 23424), (11712, 21904), (13542, 18944), (14208, 18056), (15616, 16428)]