54167120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{491}}^1$

素因数の和:708

約数の個数: 80

約数和(自身を含む): 144955008

約数和(自身を除く): 90787888

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 197, 280, 394, 491, 560, 788, 982, 985, 1379, 1576, 1964, 1970, 2455, 2758, 3152, 3437, 3928, 3940, 4910, 5516, 6874, 6895, 7856, 7880, 9820, 11032, 13748, 13790, 15760, 17185, 19640, 22064, 27496, 27580, 34370, 39280, 54992, 55160, 68740, 96727, 110320, 137480, 193454, 274960, 386908, 483635, 677089, 773816, 967270, 1354178, 1547632, 1934540, 2708356, 3385445, 3869080, 5416712, 6770890, 7738160, 10833424, 13541780, 27083560, 54167120]

約数ペア:

[(1, 54167120), (2, 27083560), (4, 13541780), (5, 10833424), (7, 7738160), (8, 6770890), (10, 5416712), (14, 3869080), (16, 3385445), (20, 2708356), (28, 1934540), (35, 1547632), (40, 1354178), (56, 967270), (70, 773816), (80, 677089), (112, 483635), (140, 386908), (197, 274960), (280, 193454), (394, 137480), (491, 110320), (560, 96727), (788, 68740), (982, 55160), (985, 54992), (1379, 39280), (1576, 34370), (1964, 27580), (1970, 27496), (2455, 22064), (2758, 19640), (3152, 17185), (3437, 15760), (3928, 13790), (3940, 13748), (4910, 11032), (5516, 9820), (6874, 7880), (6895, 7856)]