15721431740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{1111841}}^1$

素因数の和:1111958

約数の個数: 48

約数和(自身を含む): 38105049024

約数和(自身を除く): 22383617284

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 101, 140, 202, 404, 505, 707, 1010, 1414, 2020, 2828, 3535, 7070, 14140, 1111841, 2223682, 4447364, 5559205, 7782887, 11118410, 15565774, 22236820, 31131548, 38914435, 77828870, 112295941, 155657740, 224591882, 449183764, 561479705, 786071587, 1122959410, 1572143174, 2245918820, 3144286348, 3930357935, 7860715870, 15721431740]

約数ペア:

[(1, 15721431740), (2, 7860715870), (4, 3930357935), (5, 3144286348), (7, 2245918820), (10, 1572143174), (14, 1122959410), (20, 786071587), (28, 561479705), (35, 449183764), (70, 224591882), (101, 155657740), (140, 112295941), (202, 77828870), (404, 38914435), (505, 31131548), (707, 22236820), (1010, 15565774), (1414, 11118410), (2020, 7782887), (2828, 5559205), (3535, 4447364), (7070, 2223682), (14140, 1111841)]