157236520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{561559}}^1$

素因数の和:561577

約数の個数: 32

約数和(自身を含む): 404323200

約数和(自身を除く): 247086680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 561559, 1123118, 2246236, 2807795, 3930913, 4492472, 5615590, 7861826, 11231180, 15723652, 19654565, 22462360, 31447304, 39309130, 78618260, 157236520]

約数ペア:

[(1, 157236520), (2, 78618260), (4, 39309130), (5, 31447304), (7, 22462360), (8, 19654565), (10, 15723652), (14, 11231180), (20, 7861826), (28, 5615590), (35, 4492472), (40, 3930913), (56, 2807795), (70, 2246236), (140, 1123118), (280, 561559)]