86775640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{479}}^1\times {\mathrm{647}}^1$

素因数の和:1144

約数の個数: 64

約数和(自身を含む): 223948800

約数和(自身を除く): 137173160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 479, 647, 958, 1294, 1916, 2395, 2588, 3235, 3353, 3832, 4529, 4790, 5176, 6470, 6706, 9058, 9580, 12940, 13412, 16765, 18116, 19160, 22645, 25880, 26824, 33530, 36232, 45290, 67060, 90580, 134120, 181160, 309913, 619826, 1239652, 1549565, 2169391, 2479304, 3099130, 4338782, 6198260, 8677564, 10846955, 12396520, 17355128, 21693910, 43387820, 86775640]

約数ペア:

[(1, 86775640), (2, 43387820), (4, 21693910), (5, 17355128), (7, 12396520), (8, 10846955), (10, 8677564), (14, 6198260), (20, 4338782), (28, 3099130), (35, 2479304), (40, 2169391), (56, 1549565), (70, 1239652), (140, 619826), (280, 309913), (479, 181160), (647, 134120), (958, 90580), (1294, 67060), (1916, 45290), (2395, 36232), (2588, 33530), (3235, 26824), (3353, 25880), (3832, 22645), (4529, 19160), (4790, 18116), (5176, 16765), (6470, 13412), (6706, 12940), (9058, 9580)]