1212755320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{4331269}}^1$

素因数の和:4331287

約数の個数: 32

約数和(自身を含む): 3118514400

約数和(自身を除く): 1905759080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 4331269, 8662538, 17325076, 21656345, 30318883, 34650152, 43312690, 60637766, 86625380, 121275532, 151594415, 173250760, 242551064, 303188830, 606377660, 1212755320]

約数ペア:

[(1, 1212755320), (2, 606377660), (4, 303188830), (5, 242551064), (7, 173250760), (8, 151594415), (10, 121275532), (14, 86625380), (20, 60637766), (28, 43312690), (35, 34650152), (40, 30318883), (56, 21656345), (70, 17325076), (140, 8662538), (280, 4331269)]