169845520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{829}}^1$

素因数の和:1052

約数の個数: 80

約数和(自身を含む): 427941360

約数和(自身を除く): 258095840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 197, 208, 260, 394, 520, 788, 829, 985, 1040, 1576, 1658, 1970, 2561, 3152, 3316, 3940, 4145, 5122, 6632, 7880, 8290, 10244, 10777, 12805, 13264, 15760, 16580, 20488, 21554, 25610, 33160, 40976, 43108, 51220, 53885, 66320, 86216, 102440, 107770, 163313, 172432, 204880, 215540, 326626, 431080, 653252, 816565, 862160, 1306504, 1633130, 2123069, 2613008, 3266260, 4246138, 6532520, 8492276, 10615345, 13065040, 16984552, 21230690, 33969104, 42461380, 84922760, 169845520]

約数ペア:

[(1, 169845520), (2, 84922760), (4, 42461380), (5, 33969104), (8, 21230690), (10, 16984552), (13, 13065040), (16, 10615345), (20, 8492276), (26, 6532520), (40, 4246138), (52, 3266260), (65, 2613008), (80, 2123069), (104, 1633130), (130, 1306504), (197, 862160), (208, 816565), (260, 653252), (394, 431080), (520, 326626), (788, 215540), (829, 204880), (985, 172432), (1040, 163313), (1576, 107770), (1658, 102440), (1970, 86216), (2561, 66320), (3152, 53885), (3316, 51220), (3940, 43108), (4145, 40976), (5122, 33160), (6632, 25610), (7880, 21554), (8290, 20488), (10244, 16580), (10777, 15760), (12805, 13264)]