256659144

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{80407}}^1$

素因数の和:80442

約数の個数: 64

約数和(自身を含む): 771916800

約数和(自身を除く): 515257656

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 19, 21, 24, 28, 38, 42, 56, 57, 76, 84, 114, 133, 152, 168, 228, 266, 399, 456, 532, 798, 1064, 1596, 3192, 80407, 160814, 241221, 321628, 482442, 562849, 643256, 964884, 1125698, 1527733, 1688547, 1929768, 2251396, 3055466, 3377094, 4502792, 4583199, 6110932, 6754188, 9166398, 10694131, 12221864, 13508376, 18332796, 21388262, 32082393, 36665592, 42776524, 64164786, 85553048, 128329572, 256659144]

約数ペア:

[(1, 256659144), (2, 128329572), (3, 85553048), (4, 64164786), (6, 42776524), (7, 36665592), (8, 32082393), (12, 21388262), (14, 18332796), (19, 13508376), (21, 12221864), (24, 10694131), (28, 9166398), (38, 6754188), (42, 6110932), (56, 4583199), (57, 4502792), (76, 3377094), (84, 3055466), (114, 2251396), (133, 1929768), (152, 1688547), (168, 1527733), (228, 1125698), (266, 964884), (399, 643256), (456, 562849), (532, 482442), (798, 321628), (1064, 241221), (1596, 160814), (3192, 80407)]