321262020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1784789}}^1$

素因数の和:1784804

約数の個数: 36

約数和(自身を含む): 974495340

約数和(自身を除く): 653233320

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1784789, 3569578, 5354367, 7139156, 8923945, 10708734, 16063101, 17847890, 21417468, 26771835, 32126202, 35695780, 53543670, 64252404, 80315505, 107087340, 160631010, 321262020]

約数ペア:

[(1, 321262020), (2, 160631010), (3, 107087340), (4, 80315505), (5, 64252404), (6, 53543670), (9, 35695780), (10, 32126202), (12, 26771835), (15, 21417468), (18, 17847890), (20, 16063101), (30, 10708734), (36, 8923945), (45, 7139156), (60, 5354367), (90, 3569578), (180, 1784789)]