1455980

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1693}}^1$

素因数の和:1745

約数の個数: 24

約数和(自身を含む): 3130512

約数和(自身を除く): 1674532

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 1693, 3386, 6772, 8465, 16930, 33860, 72799, 145598, 291196, 363995, 727990, 1455980]

約数ペア:

[(1, 1455980), (2, 727990), (4, 363995), (5, 291196), (10, 145598), (20, 72799), (43, 33860), (86, 16930), (172, 8465), (215, 6772), (430, 3386), (860, 1693)]