206838180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{307}}^1$

素因数の和:538

約数の個数: 144

約数和(自身を含む): 665945280

約数和(自身を除く): 459107100

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, 197, 228, 285, 307, 342, 380, 394, 570, 591, 614, 684, 788, 855, 921, 985, 1140, 1182, 1228, 1535, 1710, 1773, 1842, 1970, 2364, 2763, 2955, 3070, 3420, 3546, 3684, 3743, 3940, 4605, 5526, 5833, 5910, 6140, 7092, 7486, 8865, 9210, 11052, 11229, 11666, 11820, 13815, 14972, 17499, 17730, 18420, 18715, 22458, 23332, 27630, 29165, 33687, 34998, 35460, 37430, 44916, 52497, 55260, 56145, 58330, 60479, 67374, 69996, 74860, 87495, 104994, 112290, 116660, 120958, 134748, 168435, 174990, 181437, 209988, 224580, 241916, 262485, 302395, 336870, 349980, 362874, 524970, 544311, 604790, 673740, 725748, 907185, 1049940, 1088622, 1149101, 1209580, 1814370, 2177244, 2298202, 2721555, 3447303, 3628740, 4596404, 5443110, 5745505, 6894606, 10341909, 10886220, 11491010, 13789212, 17236515, 20683818, 22982020, 34473030, 41367636, 51709545, 68946060, 103419090, 206838180]

約数ペア:

[(1, 206838180), (2, 103419090), (3, 68946060), (4, 51709545), (5, 41367636), (6, 34473030), (9, 22982020), (10, 20683818), (12, 17236515), (15, 13789212), (18, 11491010), (19, 10886220), (20, 10341909), (30, 6894606), (36, 5745505), (38, 5443110), (45, 4596404), (57, 3628740), (60, 3447303), (76, 2721555), (90, 2298202), (95, 2177244), (114, 1814370), (171, 1209580), (180, 1149101), (190, 1088622), (197, 1049940), (228, 907185), (285, 725748), (307, 673740), (342, 604790), (380, 544311), (394, 524970), (570, 362874), (591, 349980), (614, 336870), (684, 302395), (788, 262485), (855, 241916), (921, 224580), (985, 209988), (1140, 181437), (1182, 174990), (1228, 168435), (1535, 134748), (1710, 120958), (1773, 116660), (1842, 112290), (1970, 104994), (2364, 87495), (2763, 74860), (2955, 69996), (3070, 67374), (3420, 60479), (3546, 58330), (3684, 56145), (3743, 55260), (3940, 52497), (4605, 44916), (5526, 37430), (5833, 35460), (5910, 34998), (6140, 33687), (7092, 29165), (7486, 27630), (8865, 23332), (9210, 22458), (11052, 18715), (11229, 18420), (11666, 17730), (11820, 17499), (13815, 14972)]