320420616

素因数分解:

$2^3\times 3^1\times {\mathrm{53}}^1\times {\mathrm{251903}}^1$

素因数の和:251965

約数の個数: 32

約数和(自身を含む): 816168960

約数和(自身を除く): 495748344

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 53, 106, 159, 212, 318, 424, 636, 1272, 251903, 503806, 755709, 1007612, 1511418, 2015224, 3022836, 6045672, 13350859, 26701718, 40052577, 53403436, 80105154, 106806872, 160210308, 320420616]

約数ペア:

[(1, 320420616), (2, 160210308), (3, 106806872), (4, 80105154), (6, 53403436), (8, 40052577), (12, 26701718), (24, 13350859), (53, 6045672), (106, 3022836), (159, 2015224), (212, 1511418), (318, 1007612), (424, 755709), (636, 503806), (1272, 251903)]