18052440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{21491}}^1$

素因数の和:21512

約数の個数: 64

約数和(自身を含む): 61896960

約数和(自身を除く): 43844520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 21491, 42982, 64473, 85964, 107455, 128946, 150437, 171928, 214910, 257892, 300874, 322365, 429820, 451311, 515784, 601748, 644730, 752185, 859640, 902622, 1203496, 1289460, 1504370, 1805244, 2256555, 2578920, 3008740, 3610488, 4513110, 6017480, 9026220, 18052440]

約数ペア:

[(1, 18052440), (2, 9026220), (3, 6017480), (4, 4513110), (5, 3610488), (6, 3008740), (7, 2578920), (8, 2256555), (10, 1805244), (12, 1504370), (14, 1289460), (15, 1203496), (20, 902622), (21, 859640), (24, 752185), (28, 644730), (30, 601748), (35, 515784), (40, 451311), (42, 429820), (56, 322365), (60, 300874), (70, 257892), (84, 214910), (105, 171928), (120, 150437), (140, 128946), (168, 107455), (210, 85964), (280, 64473), (420, 42982), (840, 21491)]