1981080

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{5503}}^1$

素因数の和:5520

約数の個数: 48

約数和(自身を含む): 6439680

約数和(自身を除く): 4458600

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, 5503, 11006, 16509, 22012, 27515, 33018, 44024, 49527, 55030, 66036, 82545, 99054, 110060, 132072, 165090, 198108, 220120, 247635, 330180, 396216, 495270, 660360, 990540, 1981080]

約数ペア:

[(1, 1981080), (2, 990540), (3, 660360), (4, 495270), (5, 396216), (6, 330180), (8, 247635), (9, 220120), (10, 198108), (12, 165090), (15, 132072), (18, 110060), (20, 99054), (24, 82545), (30, 66036), (36, 55030), (40, 49527), (45, 44024), (60, 33018), (72, 27515), (90, 22012), (120, 16509), (180, 11006), (360, 5503)]