87271660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{27103}}^1$

素因数の和:27142

約数の個数: 48

約数和(自身を含む): 218566656

約数和(自身を除く): 131294996

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 27103, 54206, 108412, 135515, 189721, 271030, 379442, 542060, 623369, 758884, 948605, 1246738, 1897210, 2493476, 3116845, 3794420, 4363583, 6233690, 8727166, 12467380, 17454332, 21817915, 43635830, 87271660]

約数ペア:

[(1, 87271660), (2, 43635830), (4, 21817915), (5, 17454332), (7, 12467380), (10, 8727166), (14, 6233690), (20, 4363583), (23, 3794420), (28, 3116845), (35, 2493476), (46, 1897210), (70, 1246738), (92, 948605), (115, 758884), (140, 623369), (161, 542060), (230, 379442), (322, 271030), (460, 189721), (644, 135515), (805, 108412), (1610, 54206), (3220, 27103)]