161685780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{13679}}^1$

素因数の和:13888

約数の個数: 48

約数和(自身を含む): 455051520

約数和(自身を除く): 293365740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 197, 394, 591, 788, 985, 1182, 1970, 2364, 2955, 3940, 5910, 11820, 13679, 27358, 41037, 54716, 68395, 82074, 136790, 164148, 205185, 273580, 410370, 820740, 2694763, 5389526, 8084289, 10779052, 13473815, 16168578, 26947630, 32337156, 40421445, 53895260, 80842890, 161685780]

約数ペア:

[(1, 161685780), (2, 80842890), (3, 53895260), (4, 40421445), (5, 32337156), (6, 26947630), (10, 16168578), (12, 13473815), (15, 10779052), (20, 8084289), (30, 5389526), (60, 2694763), (197, 820740), (394, 410370), (591, 273580), (788, 205185), (985, 164148), (1182, 136790), (1970, 82074), (2364, 68395), (2955, 54716), (3940, 41037), (5910, 27358), (11820, 13679)]