87532020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{21143}}^1$

素因数の和:21181

約数の個数: 72

約数和(自身を含む): 277070976

約数和(自身を除く): 189538956

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 21143, 42286, 63429, 84572, 105715, 126858, 190287, 211430, 253716, 317145, 380574, 422860, 486289, 634290, 761148, 951435, 972578, 1268580, 1458867, 1902870, 1945156, 2431445, 2917734, 3805740, 4376601, 4862890, 5835468, 7294335, 8753202, 9725780, 14588670, 17506404, 21883005, 29177340, 43766010, 87532020]

約数ペア:

[(1, 87532020), (2, 43766010), (3, 29177340), (4, 21883005), (5, 17506404), (6, 14588670), (9, 9725780), (10, 8753202), (12, 7294335), (15, 5835468), (18, 4862890), (20, 4376601), (23, 3805740), (30, 2917734), (36, 2431445), (45, 1945156), (46, 1902870), (60, 1458867), (69, 1268580), (90, 972578), (92, 951435), (115, 761148), (138, 634290), (180, 486289), (207, 422860), (230, 380574), (276, 317145), (345, 253716), (414, 211430), (460, 190287), (690, 126858), (828, 105715), (1035, 84572), (1380, 63429), (2070, 42286), (4140, 21143)]