2881980

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{593}}^1$

素因数の和:617

約数の個数: 72

約数和(自身を含む): 9081072

約数和(自身を除く): 6199092

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 593, 810, 972, 1186, 1215, 1620, 1779, 2372, 2430, 2965, 3558, 4860, 5337, 5930, 7116, 8895, 10674, 11860, 16011, 17790, 21348, 26685, 32022, 35580, 48033, 53370, 64044, 80055, 96066, 106740, 144099, 160110, 192132, 240165, 288198, 320220, 480330, 576396, 720495, 960660, 1440990, 2881980]

約数ペア:

[(1, 2881980), (2, 1440990), (3, 960660), (4, 720495), (5, 576396), (6, 480330), (9, 320220), (10, 288198), (12, 240165), (15, 192132), (18, 160110), (20, 144099), (27, 106740), (30, 96066), (36, 80055), (45, 64044), (54, 53370), (60, 48033), (81, 35580), (90, 32022), (108, 26685), (135, 21348), (162, 17790), (180, 16011), (243, 11860), (270, 10674), (324, 8895), (405, 7116), (486, 5930), (540, 5337), (593, 4860), (810, 3558), (972, 2965), (1186, 2430), (1215, 2372), (1620, 1779)]