15351420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{36551}}^1$

素因数の和:36570

約数の個数: 48

約数和(自身を含む): 49125888

約数和(自身を除く): 33774468

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, 36551, 73102, 109653, 146204, 182755, 219306, 255857, 365510, 438612, 511714, 548265, 731020, 767571, 1023428, 1096530, 1279285, 1535142, 2193060, 2558570, 3070284, 3837855, 5117140, 7675710, 15351420]

約数ペア:

[(1, 15351420), (2, 7675710), (3, 5117140), (4, 3837855), (5, 3070284), (6, 2558570), (7, 2193060), (10, 1535142), (12, 1279285), (14, 1096530), (15, 1023428), (20, 767571), (21, 731020), (28, 548265), (30, 511714), (35, 438612), (42, 365510), (60, 255857), (70, 219306), (84, 182755), (105, 146204), (140, 109653), (210, 73102), (420, 36551)]