240691720

素因数分解:

$2^3\times 5^1\times {\mathrm{673}}^1\times {\mathrm{8941}}^1$

素因数の和:9625

約数の個数: 32

約数和(自身を含む): 542421720

約数和(自身を除く): 301730000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 673, 1346, 2692, 3365, 5384, 6730, 8941, 13460, 17882, 26920, 35764, 44705, 71528, 89410, 178820, 357640, 6017293, 12034586, 24069172, 30086465, 48138344, 60172930, 120345860, 240691720]

約数ペア:

[(1, 240691720), (2, 120345860), (4, 60172930), (5, 48138344), (8, 30086465), (10, 24069172), (20, 12034586), (40, 6017293), (673, 357640), (1346, 178820), (2692, 89410), (3365, 71528), (5384, 44705), (6730, 35764), (8941, 26920), (13460, 17882)]