72087540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{171637}}^1$

素因数の和:171656

約数の個数: 48

約数和(自身を含む): 230681472

約数和(自身を除く): 158593932

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, 171637, 343274, 514911, 686548, 858185, 1029822, 1201459, 1716370, 2059644, 2402918, 2574555, 3432740, 3604377, 4805836, 5149110, 6007295, 7208754, 10298220, 12014590, 14417508, 18021885, 24029180, 36043770, 72087540]

約数ペア:

[(1, 72087540), (2, 36043770), (3, 24029180), (4, 18021885), (5, 14417508), (6, 12014590), (7, 10298220), (10, 7208754), (12, 6007295), (14, 5149110), (15, 4805836), (20, 3604377), (21, 3432740), (28, 2574555), (30, 2402918), (35, 2059644), (42, 1716370), (60, 1201459), (70, 1029822), (84, 858185), (105, 686548), (140, 514911), (210, 343274), (420, 171637)]