131191020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{728839}}^1$

素因数の和:728854

約数の個数: 36

約数和(自身を含む): 397946640

約数和(自身を除く): 266755620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 728839, 1457678, 2186517, 2915356, 3644195, 4373034, 6559551, 7288390, 8746068, 10932585, 13119102, 14576780, 21865170, 26238204, 32797755, 43730340, 65595510, 131191020]

約数ペア:

[(1, 131191020), (2, 65595510), (3, 43730340), (4, 32797755), (5, 26238204), (6, 21865170), (9, 14576780), (10, 13119102), (12, 10932585), (15, 8746068), (18, 7288390), (20, 6559551), (30, 4373034), (36, 3644195), (45, 2915356), (60, 2186517), (90, 1457678), (180, 728839)]