256751520

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{3407}}^1$

素因数の和:3582

約数の個数: 96

約数和(自身を含む): 814157568

約数和(自身を除く): 557406048

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 157, 160, 240, 314, 471, 480, 628, 785, 942, 1256, 1570, 1884, 2355, 2512, 3140, 3407, 3768, 4710, 5024, 6280, 6814, 7536, 9420, 10221, 12560, 13628, 15072, 17035, 18840, 20442, 25120, 27256, 34070, 37680, 40884, 51105, 54512, 68140, 75360, 81768, 102210, 109024, 136280, 163536, 204420, 272560, 327072, 408840, 534899, 545120, 817680, 1069798, 1604697, 1635360, 2139596, 2674495, 3209394, 4279192, 5348990, 6418788, 8023485, 8558384, 10697980, 12837576, 16046970, 17116768, 21395960, 25675152, 32093940, 42791920, 51350304, 64187880, 85583840, 128375760, 256751520]

約数ペア:

[(1, 256751520), (2, 128375760), (3, 85583840), (4, 64187880), (5, 51350304), (6, 42791920), (8, 32093940), (10, 25675152), (12, 21395960), (15, 17116768), (16, 16046970), (20, 12837576), (24, 10697980), (30, 8558384), (32, 8023485), (40, 6418788), (48, 5348990), (60, 4279192), (80, 3209394), (96, 2674495), (120, 2139596), (157, 1635360), (160, 1604697), (240, 1069798), (314, 817680), (471, 545120), (480, 534899), (628, 408840), (785, 327072), (942, 272560), (1256, 204420), (1570, 163536), (1884, 136280), (2355, 109024), (2512, 102210), (3140, 81768), (3407, 75360), (3768, 68140), (4710, 54512), (5024, 51105), (6280, 40884), (6814, 37680), (7536, 34070), (9420, 27256), (10221, 25120), (12560, 20442), (13628, 18840), (15072, 17035)]