1288860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{21481}}^1$

素因数の和:21493

約数の個数: 24

約数和(自身を含む): 3608976

約数和(自身を除く): 2320116

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 21481, 42962, 64443, 85924, 107405, 128886, 214810, 257772, 322215, 429620, 644430, 1288860]

約数ペア:

[(1, 1288860), (2, 644430), (3, 429620), (4, 322215), (5, 257772), (6, 214810), (10, 128886), (12, 107405), (15, 85924), (20, 64443), (30, 42962), (60, 21481)]