28957860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{160877}}^1$

素因数の和:160892

約数の個数: 36

約数和(自身を含む): 87839388

約数和(自身を除く): 58881528

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 160877, 321754, 482631, 643508, 804385, 965262, 1447893, 1608770, 1930524, 2413155, 2895786, 3217540, 4826310, 5791572, 7239465, 9652620, 14478930, 28957860]

約数ペア:

[(1, 28957860), (2, 14478930), (3, 9652620), (4, 7239465), (5, 5791572), (6, 4826310), (9, 3217540), (10, 2895786), (12, 2413155), (15, 1930524), (18, 1608770), (20, 1447893), (30, 965262), (36, 804385), (45, 643508), (60, 482631), (90, 321754), (180, 160877)]