28981620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{161009}}^1$

素因数の和:161024

約数の個数: 36

約数和(自身を含む): 87911460

約数和(自身を除く): 58929840

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 161009, 322018, 483027, 644036, 805045, 966054, 1449081, 1610090, 1932108, 2415135, 2898162, 3220180, 4830270, 5796324, 7245405, 9660540, 14490810, 28981620]

約数ペア:

[(1, 28981620), (2, 14490810), (3, 9660540), (4, 7245405), (5, 5796324), (6, 4830270), (9, 3220180), (10, 2898162), (12, 2415135), (15, 1932108), (18, 1610090), (20, 1449081), (30, 966054), (36, 805045), (45, 644036), (60, 483027), (90, 322018), (180, 161009)]