42678180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{12479}}^1$

素因数の和:12513

約数の個数: 72

約数和(自身を含む): 136281600

約数和(自身を除く): 93603420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 12479, 24958, 37437, 49916, 62395, 74874, 112311, 124790, 149748, 187185, 224622, 237101, 249580, 374370, 449244, 474202, 561555, 711303, 748740, 948404, 1123110, 1185505, 1422606, 2133909, 2246220, 2371010, 2845212, 3556515, 4267818, 4742020, 7113030, 8535636, 10669545, 14226060, 21339090, 42678180]

約数ペア:

[(1, 42678180), (2, 21339090), (3, 14226060), (4, 10669545), (5, 8535636), (6, 7113030), (9, 4742020), (10, 4267818), (12, 3556515), (15, 2845212), (18, 2371010), (19, 2246220), (20, 2133909), (30, 1422606), (36, 1185505), (38, 1123110), (45, 948404), (57, 748740), (60, 711303), (76, 561555), (90, 474202), (95, 449244), (114, 374370), (171, 249580), (180, 237101), (190, 224622), (228, 187185), (285, 149748), (342, 124790), (380, 112311), (570, 74874), (684, 62395), (855, 49916), (1140, 37437), (1710, 24958), (3420, 12479)]