164021480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{585791}}^1$

素因数の和:585809

約数の個数: 32

約数和(自身を含む): 421770240

約数和(自身を除く): 257748760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 585791, 1171582, 2343164, 2928955, 4100537, 4686328, 5857910, 8201074, 11715820, 16402148, 20502685, 23431640, 32804296, 41005370, 82010740, 164021480]

約数ペア:

[(1, 164021480), (2, 82010740), (4, 41005370), (5, 32804296), (7, 23431640), (8, 20502685), (10, 16402148), (14, 11715820), (20, 8201074), (28, 5857910), (35, 4686328), (40, 4100537), (56, 2928955), (70, 2343164), (140, 1171582), (280, 585791)]