7321020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17431}}^1$

素因数の和:17450

約数の個数: 48

約数和(自身を含む): 23428608

約数和(自身を除く): 16107588

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, 17431, 34862, 52293, 69724, 87155, 104586, 122017, 174310, 209172, 244034, 261465, 348620, 366051, 488068, 522930, 610085, 732102, 1045860, 1220170, 1464204, 1830255, 2440340, 3660510, 7321020]

約数ペア:

[(1, 7321020), (2, 3660510), (3, 2440340), (4, 1830255), (5, 1464204), (6, 1220170), (7, 1045860), (10, 732102), (12, 610085), (14, 522930), (15, 488068), (20, 366051), (21, 348620), (28, 261465), (30, 244034), (35, 209172), (42, 174310), (60, 122017), (70, 104586), (84, 87155), (105, 69724), (140, 52293), (210, 34862), (420, 17431)]