1681260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{4003}}^1$

素因数の和:4022

約数の個数: 48

約数和(自身を含む): 5381376

約数和(自身を除く): 3700116

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 4003, 8006, 12009, 16012, 20015, 24018, 28021, 40030, 48036, 56042, 60045, 80060, 84063, 112084, 120090, 140105, 168126, 240180, 280210, 336252, 420315, 560420, 840630, 1681260]

約数ペア:

[(1, 1681260), (2, 840630), (3, 560420), (4, 420315), (5, 336252), (6, 280210), (7, 240180), (10, 168126), (12, 140105), (14, 120090), (15, 112084), (20, 84063), (21, 80060), (28, 60045), (30, 56042), (35, 48036), (42, 40030), (60, 28021), (70, 24018), (84, 20015), (105, 16012), (140, 12009), (210, 8006), (420, 4003)]