156807280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{280013}}^1$

素因数の和:280033

約数の個数: 40

約数和(自身を含む): 416660832

約数和(自身を除く): 259853552

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 280013, 560026, 1120052, 1400065, 1960091, 2240104, 2800130, 3920182, 4480208, 5600260, 7840364, 9800455, 11200520, 15680728, 19600910, 22401040, 31361456, 39201820, 78403640, 156807280]

約数ペア:

[(1, 156807280), (2, 78403640), (4, 39201820), (5, 31361456), (7, 22401040), (8, 19600910), (10, 15680728), (14, 11200520), (16, 9800455), (20, 7840364), (28, 5600260), (35, 4480208), (40, 3920182), (56, 2800130), (70, 2240104), (80, 1960091), (112, 1400065), (140, 1120052), (280, 560026), (560, 280013)]