1557069920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{1390241}}^1$

素因数の和:1390263

約数の個数: 48

約数和(自身を含む): 4204091808

約数和(自身を除く): 2647021888

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 1390241, 2780482, 5560964, 6951205, 9731687, 11121928, 13902410, 19463374, 22243856, 27804820, 38926748, 44487712, 48658435, 55609640, 77853496, 97316870, 111219280, 155706992, 194633740, 222438560, 311413984, 389267480, 778534960, 1557069920]

約数ペア:

[(1, 1557069920), (2, 778534960), (4, 389267480), (5, 311413984), (7, 222438560), (8, 194633740), (10, 155706992), (14, 111219280), (16, 97316870), (20, 77853496), (28, 55609640), (32, 48658435), (35, 44487712), (40, 38926748), (56, 27804820), (70, 22243856), (80, 19463374), (112, 13902410), (140, 11121928), (160, 9731687), (224, 6951205), (280, 5560964), (560, 2780482), (1120, 1390241)]