51381180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{285451}}^1$

素因数の和:285466

約数の個数: 36

約数和(自身を含む): 155856792

約数和(自身を除く): 104475612

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 285451, 570902, 856353, 1141804, 1427255, 1712706, 2569059, 2854510, 3425412, 4281765, 5138118, 5709020, 8563530, 10276236, 12845295, 17127060, 25690590, 51381180]

約数ペア:

[(1, 51381180), (2, 25690590), (3, 17127060), (4, 12845295), (5, 10276236), (6, 8563530), (9, 5709020), (10, 5138118), (12, 4281765), (15, 3425412), (18, 2854510), (20, 2569059), (30, 1712706), (36, 1427255), (45, 1141804), (60, 856353), (90, 570902), (180, 285451)]