128164356

素因数分解:

$2^2\times 3^4\times {\mathrm{449}}^1\times {\mathrm{881}}^1$

素因数の和:1346

約数の個数: 60

約数和(自身を含む): 336174300

約数和(自身を除く): 208009944

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 449, 881, 898, 1347, 1762, 1796, 2643, 2694, 3524, 4041, 5286, 5388, 7929, 8082, 10572, 12123, 15858, 16164, 23787, 24246, 31716, 36369, 47574, 48492, 71361, 72738, 95148, 142722, 145476, 285444, 395569, 791138, 1186707, 1582276, 2373414, 3560121, 4746828, 7120242, 10680363, 14240484, 21360726, 32041089, 42721452, 64082178, 128164356]

約数ペア:

[(1, 128164356), (2, 64082178), (3, 42721452), (4, 32041089), (6, 21360726), (9, 14240484), (12, 10680363), (18, 7120242), (27, 4746828), (36, 3560121), (54, 2373414), (81, 1582276), (108, 1186707), (162, 791138), (324, 395569), (449, 285444), (881, 145476), (898, 142722), (1347, 95148), (1762, 72738), (1796, 71361), (2643, 48492), (2694, 47574), (3524, 36369), (4041, 31716), (5286, 24246), (5388, 23787), (7929, 16164), (8082, 15858), (10572, 12123)]