15221080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{54361}}^1$

素因数の和:54379

約数の個数: 32

約数和(自身を含む): 39140640

約数和(自身を除く): 23919560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 54361, 108722, 217444, 271805, 380527, 434888, 543610, 761054, 1087220, 1522108, 1902635, 2174440, 3044216, 3805270, 7610540, 15221080]

約数ペア:

[(1, 15221080), (2, 7610540), (4, 3805270), (5, 3044216), (7, 2174440), (8, 1902635), (10, 1522108), (14, 1087220), (20, 761054), (28, 543610), (35, 434888), (40, 380527), (56, 271805), (70, 217444), (140, 108722), (280, 54361)]