291489180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{20327}}^1$

素因数の和:20578

約数の個数: 48

約数和(自身を含む): 819624960

約数和(自身を除く): 528135780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 239, 478, 717, 956, 1195, 1434, 2390, 2868, 3585, 4780, 7170, 14340, 20327, 40654, 60981, 81308, 101635, 121962, 203270, 243924, 304905, 406540, 609810, 1219620, 4858153, 9716306, 14574459, 19432612, 24290765, 29148918, 48581530, 58297836, 72872295, 97163060, 145744590, 291489180]

約数ペア:

[(1, 291489180), (2, 145744590), (3, 97163060), (4, 72872295), (5, 58297836), (6, 48581530), (10, 29148918), (12, 24290765), (15, 19432612), (20, 14574459), (30, 9716306), (60, 4858153), (239, 1219620), (478, 609810), (717, 406540), (956, 304905), (1195, 243924), (1434, 203270), (2390, 121962), (2868, 101635), (3585, 81308), (4780, 60981), (7170, 40654), (14340, 20327)]