1802080

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{1609}}^1$

素因数の和:1631

約数の個数: 48

約数和(自身を含む): 4868640

約数和(自身を除く): 3066560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 1609, 3218, 6436, 8045, 11263, 12872, 16090, 22526, 25744, 32180, 45052, 51488, 56315, 64360, 90104, 112630, 128720, 180208, 225260, 257440, 360416, 450520, 901040, 1802080]

約数ペア:

[(1, 1802080), (2, 901040), (4, 450520), (5, 360416), (7, 257440), (8, 225260), (10, 180208), (14, 128720), (16, 112630), (20, 90104), (28, 64360), (32, 56315), (35, 51488), (40, 45052), (56, 32180), (70, 25744), (80, 22526), (112, 16090), (140, 12872), (160, 11263), (224, 8045), (280, 6436), (560, 3218), (1120, 1609)]