1621480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{5791}}^1$

素因数の和:5809

約数の個数: 32

約数和(自身を含む): 4170240

約数和(自身を除く): 2548760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 5791, 11582, 23164, 28955, 40537, 46328, 57910, 81074, 115820, 162148, 202685, 231640, 324296, 405370, 810740, 1621480]

約数ペア:

[(1, 1621480), (2, 810740), (4, 405370), (5, 324296), (7, 231640), (8, 202685), (10, 162148), (14, 115820), (20, 81074), (28, 57910), (35, 46328), (40, 40537), (56, 28955), (70, 23164), (140, 11582), (280, 5791)]