1220240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{2179}}^1$

素因数の和:2199

約数の個数: 40

約数和(自身を含む): 3243840

約数和(自身を除く): 2023600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 2179, 4358, 8716, 10895, 15253, 17432, 21790, 30506, 34864, 43580, 61012, 76265, 87160, 122024, 152530, 174320, 244048, 305060, 610120, 1220240]

約数ペア:

[(1, 1220240), (2, 610120), (4, 305060), (5, 244048), (7, 174320), (8, 152530), (10, 122024), (14, 87160), (16, 76265), (20, 61012), (28, 43580), (35, 34864), (40, 30506), (56, 21790), (70, 17432), (80, 15253), (112, 10895), (140, 8716), (280, 4358), (560, 2179)]