64260420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{153001}}^1$

素因数の和:153020

約数の個数: 48

約数和(自身を含む): 205634688

約数和(自身を除く): 141374268

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, 153001, 306002, 459003, 612004, 765005, 918006, 1071007, 1530010, 1836012, 2142014, 2295015, 3060020, 3213021, 4284028, 4590030, 5355035, 6426042, 9180060, 10710070, 12852084, 16065105, 21420140, 32130210, 64260420]

約数ペア:

[(1, 64260420), (2, 32130210), (3, 21420140), (4, 16065105), (5, 12852084), (6, 10710070), (7, 9180060), (10, 6426042), (12, 5355035), (14, 4590030), (15, 4284028), (20, 3213021), (21, 3060020), (28, 2295015), (30, 2142014), (35, 1836012), (42, 1530010), (60, 1071007), (70, 918006), (84, 765005), (105, 612004), (140, 459003), (210, 306002), (420, 153001)]