2021306220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{81967}}^1$

素因数の和:82119

約数の個数: 72

約数和(自身を含む): 6176124864

約数和(自身を除く): 4154818644

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 137, 180, 274, 411, 548, 685, 822, 1233, 1370, 1644, 2055, 2466, 2740, 4110, 4932, 6165, 8220, 12330, 24660, 81967, 163934, 245901, 327868, 409835, 491802, 737703, 819670, 983604, 1229505, 1475406, 1639340, 2459010, 2950812, 3688515, 4918020, 7377030, 11229479, 14754060, 22458958, 33688437, 44917916, 56147395, 67376874, 101065311, 112294790, 134753748, 168442185, 202130622, 224589580, 336884370, 404261244, 505326555, 673768740, 1010653110, 2021306220]

約数ペア:

[(1, 2021306220), (2, 1010653110), (3, 673768740), (4, 505326555), (5, 404261244), (6, 336884370), (9, 224589580), (10, 202130622), (12, 168442185), (15, 134753748), (18, 112294790), (20, 101065311), (30, 67376874), (36, 56147395), (45, 44917916), (60, 33688437), (90, 22458958), (137, 14754060), (180, 11229479), (274, 7377030), (411, 4918020), (548, 3688515), (685, 2950812), (822, 2459010), (1233, 1639340), (1370, 1475406), (1644, 1229505), (2055, 983604), (2466, 819670), (2740, 737703), (4110, 491802), (4932, 409835), (6165, 327868), (8220, 245901), (12330, 163934), (24660, 81967)]