270304880

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{78577}}^1$

素因数の和:78633

約数の個数: 40

約数和(自身を含む): 643082352

約数和(自身を除く): 372777472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 78577, 157154, 314308, 392885, 628616, 785770, 1257232, 1571540, 3143080, 3378811, 6286160, 6757622, 13515244, 16894055, 27030488, 33788110, 54060976, 67576220, 135152440, 270304880]

約数ペア:

[(1, 270304880), (2, 135152440), (4, 67576220), (5, 54060976), (8, 33788110), (10, 27030488), (16, 16894055), (20, 13515244), (40, 6757622), (43, 6286160), (80, 3378811), (86, 3143080), (172, 1571540), (215, 1257232), (344, 785770), (430, 628616), (688, 392885), (860, 314308), (1720, 157154), (3440, 78577)]