256332288

素因数分解:

$2^9\times 3^1\times {\mathrm{43}}^1\times {\mathrm{3881}}^1$

素因数の和:3945

約数の個数: 80

約数和(自身を含む): 698946336

約数和(自身を除く): 442614048

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 43, 48, 64, 86, 96, 128, 129, 172, 192, 256, 258, 344, 384, 512, 516, 688, 768, 1032, 1376, 1536, 2064, 2752, 3881, 4128, 5504, 7762, 8256, 11008, 11643, 15524, 16512, 22016, 23286, 31048, 33024, 46572, 62096, 66048, 93144, 124192, 166883, 186288, 248384, 333766, 372576, 496768, 500649, 667532, 745152, 993536, 1001298, 1335064, 1490304, 1987072, 2002596, 2670128, 2980608, 4005192, 5340256, 5961216, 8010384, 10680512, 16020768, 21361024, 32041536, 42722048, 64083072, 85444096, 128166144, 256332288]

約数ペア:

[(1, 256332288), (2, 128166144), (3, 85444096), (4, 64083072), (6, 42722048), (8, 32041536), (12, 21361024), (16, 16020768), (24, 10680512), (32, 8010384), (43, 5961216), (48, 5340256), (64, 4005192), (86, 2980608), (96, 2670128), (128, 2002596), (129, 1987072), (172, 1490304), (192, 1335064), (256, 1001298), (258, 993536), (344, 745152), (384, 667532), (512, 500649), (516, 496768), (688, 372576), (768, 333766), (1032, 248384), (1376, 186288), (1536, 166883), (2064, 124192), (2752, 93144), (3881, 66048), (4128, 62096), (5504, 46572), (7762, 33024), (8256, 31048), (11008, 23286), (11643, 22016), (15524, 16512)]