71757420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{170851}}^1$

素因数の和:170870

約数の個数: 48

約数和(自身を含む): 229625088

約数和(自身を除く): 157867668

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, 170851, 341702, 512553, 683404, 854255, 1025106, 1195957, 1708510, 2050212, 2391914, 2562765, 3417020, 3587871, 4783828, 5125530, 5979785, 7175742, 10251060, 11959570, 14351484, 17939355, 23919140, 35878710, 71757420]

約数ペア:

[(1, 71757420), (2, 35878710), (3, 23919140), (4, 17939355), (5, 14351484), (6, 11959570), (7, 10251060), (10, 7175742), (12, 5979785), (14, 5125530), (15, 4783828), (20, 3587871), (21, 3417020), (28, 2562765), (30, 2391914), (35, 2050212), (42, 1708510), (60, 1195957), (70, 1025106), (84, 854255), (105, 683404), (140, 512553), (210, 341702), (420, 170851)]