164621080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{1607}}^1$

素因数の和:1828

約数の個数: 64

約数和(自身を含む): 401163840

約数和(自身を除く): 236542760

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 197, 260, 394, 520, 788, 985, 1576, 1607, 1970, 2561, 3214, 3940, 5122, 6428, 7880, 8035, 10244, 12805, 12856, 16070, 20488, 20891, 25610, 32140, 41782, 51220, 64280, 83564, 102440, 104455, 167128, 208910, 316579, 417820, 633158, 835640, 1266316, 1582895, 2532632, 3165790, 4115527, 6331580, 8231054, 12663160, 16462108, 20577635, 32924216, 41155270, 82310540, 164621080]

約数ペア:

[(1, 164621080), (2, 82310540), (4, 41155270), (5, 32924216), (8, 20577635), (10, 16462108), (13, 12663160), (20, 8231054), (26, 6331580), (40, 4115527), (52, 3165790), (65, 2532632), (104, 1582895), (130, 1266316), (197, 835640), (260, 633158), (394, 417820), (520, 316579), (788, 208910), (985, 167128), (1576, 104455), (1607, 102440), (1970, 83564), (2561, 64280), (3214, 51220), (3940, 41782), (5122, 32140), (6428, 25610), (7880, 20891), (8035, 20488), (10244, 16070), (12805, 12856)]