159757640

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{81509}}^1$

素因数の和:81534

約数の個数: 48

約数和(自身を含む): 418146300

約数和(自身を除く): 258388660

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 81509, 163018, 326036, 407545, 570563, 652072, 815090, 1141126, 1630180, 2282252, 2852815, 3260360, 3993941, 4564504, 5705630, 7987882, 11411260, 15975764, 19969705, 22822520, 31951528, 39939410, 79878820, 159757640]

約数ペア:

[(1, 159757640), (2, 79878820), (4, 39939410), (5, 31951528), (7, 22822520), (8, 19969705), (10, 15975764), (14, 11411260), (20, 7987882), (28, 5705630), (35, 4564504), (40, 3993941), (49, 3260360), (56, 2852815), (70, 2282252), (98, 1630180), (140, 1141126), (196, 815090), (245, 652072), (280, 570563), (392, 407545), (490, 326036), (980, 163018), (1960, 81509)]