866723480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{71987}}^1$

素因数の和:72048

約数の個数: 64

約数和(自身を含む): 2280579840

約数和(自身を除く): 1413856360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 140, 172, 215, 280, 301, 344, 430, 602, 860, 1204, 1505, 1720, 2408, 3010, 6020, 12040, 71987, 143974, 287948, 359935, 503909, 575896, 719870, 1007818, 1439740, 2015636, 2519545, 2879480, 3095441, 4031272, 5039090, 6190882, 10078180, 12381764, 15477205, 20156360, 21668087, 24763528, 30954410, 43336174, 61908820, 86672348, 108340435, 123817640, 173344696, 216680870, 433361740, 866723480]

約数ペア:

[(1, 866723480), (2, 433361740), (4, 216680870), (5, 173344696), (7, 123817640), (8, 108340435), (10, 86672348), (14, 61908820), (20, 43336174), (28, 30954410), (35, 24763528), (40, 21668087), (43, 20156360), (56, 15477205), (70, 12381764), (86, 10078180), (140, 6190882), (172, 5039090), (215, 4031272), (280, 3095441), (301, 2879480), (344, 2519545), (430, 2015636), (602, 1439740), (860, 1007818), (1204, 719870), (1505, 575896), (1720, 503909), (2408, 359935), (3010, 287948), (6020, 143974), (12040, 71987)]