1260420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{3001}}^1$

素因数の和:3020

約数の個数: 48

約数和(自身を含む): 4034688

約数和(自身を除く): 2774268

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, 3001, 6002, 9003, 12004, 15005, 18006, 21007, 30010, 36012, 42014, 45015, 60020, 63021, 84028, 90030, 105035, 126042, 180060, 210070, 252084, 315105, 420140, 630210, 1260420]

約数ペア:

[(1, 1260420), (2, 630210), (3, 420140), (4, 315105), (5, 252084), (6, 210070), (7, 180060), (10, 126042), (12, 105035), (14, 90030), (15, 84028), (20, 63021), (21, 60020), (28, 45015), (30, 42014), (35, 36012), (42, 30010), (60, 21007), (70, 18006), (84, 15005), (105, 12004), (140, 9003), (210, 6002), (420, 3001)]