320991480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{891643}}^1$

素因数の和:891660

約数の個数: 48

約数和(自身を含む): 1043223480

約数和(自身を除く): 722232000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 891643, 1783286, 2674929, 3566572, 4458215, 5349858, 7133144, 8024787, 8916430, 10699716, 13374645, 16049574, 17832860, 21399432, 26749290, 32099148, 35665720, 40123935, 53498580, 64198296, 80247870, 106997160, 160495740, 320991480]

約数ペア:

[(1, 320991480), (2, 160495740), (3, 106997160), (4, 80247870), (5, 64198296), (6, 53498580), (8, 40123935), (9, 35665720), (10, 32099148), (12, 26749290), (15, 21399432), (18, 17832860), (20, 16049574), (24, 13374645), (30, 10699716), (36, 8916430), (40, 8024787), (45, 7133144), (60, 5349858), (72, 4458215), (90, 3566572), (120, 2674929), (180, 1783286), (360, 891643)]