280015860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{4666931}}^1$

素因数の和:4666943

約数の個数: 24

約数和(自身を含む): 784044576

約数和(自身を除く): 504028716

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 4666931, 9333862, 14000793, 18667724, 23334655, 28001586, 46669310, 56003172, 70003965, 93338620, 140007930, 280015860]

約数ペア:

[(1, 280015860), (2, 140007930), (3, 93338620), (4, 70003965), (5, 56003172), (6, 46669310), (10, 28001586), (12, 23334655), (15, 18667724), (20, 14000793), (30, 9333862), (60, 4666931)]