205944720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{858103}}^1$

素因数の和:858119

約数の個数: 40

約数和(自身を含む): 638429376

約数和(自身を除く): 432484656

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 858103, 1716206, 2574309, 3432412, 4290515, 5148618, 6864824, 8581030, 10297236, 12871545, 13729648, 17162060, 20594472, 25743090, 34324120, 41188944, 51486180, 68648240, 102972360, 205944720]

約数ペア:

[(1, 205944720), (2, 102972360), (3, 68648240), (4, 51486180), (5, 41188944), (6, 34324120), (8, 25743090), (10, 20594472), (12, 17162060), (15, 13729648), (16, 12871545), (20, 10297236), (24, 8581030), (30, 6864824), (40, 5148618), (48, 4290515), (60, 3432412), (80, 2574309), (120, 1716206), (240, 858103)]