2161800

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{1201}}^1$

素因数の和:1223

約数の個数: 72

約数和(自身を含む): 7266090

約数和(自身を除く): 5104290

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 150, 180, 200, 225, 300, 360, 450, 600, 900, 1201, 1800, 2402, 3603, 4804, 6005, 7206, 9608, 10809, 12010, 14412, 18015, 21618, 24020, 28824, 30025, 36030, 43236, 48040, 54045, 60050, 72060, 86472, 90075, 108090, 120100, 144120, 180150, 216180, 240200, 270225, 360300, 432360, 540450, 720600, 1080900, 2161800]

約数ペア:

[(1, 2161800), (2, 1080900), (3, 720600), (4, 540450), (5, 432360), (6, 360300), (8, 270225), (9, 240200), (10, 216180), (12, 180150), (15, 144120), (18, 120100), (20, 108090), (24, 90075), (25, 86472), (30, 72060), (36, 60050), (40, 54045), (45, 48040), (50, 43236), (60, 36030), (72, 30025), (75, 28824), (90, 24020), (100, 21618), (120, 18015), (150, 14412), (180, 12010), (200, 10809), (225, 9608), (300, 7206), (360, 6005), (450, 4804), (600, 3603), (900, 2402), (1201, 1800)]