86915640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{103471}}^1$

素因数の和:103492

約数の個数: 64

約数和(自身を含む): 297999360

約数和(自身を除く): 211083720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 103471, 206942, 310413, 413884, 517355, 620826, 724297, 827768, 1034710, 1241652, 1448594, 1552065, 2069420, 2172891, 2483304, 2897188, 3104130, 3621485, 4138840, 4345782, 5794376, 6208260, 7242970, 8691564, 10864455, 12416520, 14485940, 17383128, 21728910, 28971880, 43457820, 86915640]

約数ペア:

[(1, 86915640), (2, 43457820), (3, 28971880), (4, 21728910), (5, 17383128), (6, 14485940), (7, 12416520), (8, 10864455), (10, 8691564), (12, 7242970), (14, 6208260), (15, 5794376), (20, 4345782), (21, 4138840), (24, 3621485), (28, 3104130), (30, 2897188), (35, 2483304), (40, 2172891), (42, 2069420), (56, 1552065), (60, 1448594), (70, 1241652), (84, 1034710), (105, 827768), (120, 724297), (140, 620826), (168, 517355), (210, 413884), (280, 310413), (420, 206942), (840, 103471)]