644220

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{1193}}^1$

素因数の和:1211

約数の個数: 48

約数和(自身を含む): 2005920

約数和(自身を除く): 1361700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 1193, 2386, 3579, 4772, 5965, 7158, 10737, 11930, 14316, 17895, 21474, 23860, 32211, 35790, 42948, 53685, 64422, 71580, 107370, 128844, 161055, 214740, 322110, 644220]

約数ペア:

[(1, 644220), (2, 322110), (3, 214740), (4, 161055), (5, 128844), (6, 107370), (9, 71580), (10, 64422), (12, 53685), (15, 42948), (18, 35790), (20, 32211), (27, 23860), (30, 21474), (36, 17895), (45, 14316), (54, 11930), (60, 10737), (90, 7158), (108, 5965), (135, 4772), (180, 3579), (270, 2386), (540, 1193)]