122576720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{218887}}^1$

素因数の和:218907

約数の個数: 40

約数和(自身を含む): 325705344

約数和(自身を除く): 203128624

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 218887, 437774, 875548, 1094435, 1532209, 1751096, 2188870, 3064418, 3502192, 4377740, 6128836, 7661045, 8755480, 12257672, 15322090, 17510960, 24515344, 30644180, 61288360, 122576720]

約数ペア:

[(1, 122576720), (2, 61288360), (4, 30644180), (5, 24515344), (7, 17510960), (8, 15322090), (10, 12257672), (14, 8755480), (16, 7661045), (20, 6128836), (28, 4377740), (35, 3502192), (40, 3064418), (56, 2188870), (70, 1751096), (80, 1532209), (112, 1094435), (140, 875548), (280, 437774), (560, 218887)]