2551260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{421}}^1$

素因数の和:534

約数の個数: 48

約数和(自身を含む): 7231392

約数和(自身を除く): 4680132

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 101, 202, 303, 404, 421, 505, 606, 842, 1010, 1212, 1263, 1515, 1684, 2020, 2105, 2526, 3030, 4210, 5052, 6060, 6315, 8420, 12630, 25260, 42521, 85042, 127563, 170084, 212605, 255126, 425210, 510252, 637815, 850420, 1275630, 2551260]

約数ペア:

[(1, 2551260), (2, 1275630), (3, 850420), (4, 637815), (5, 510252), (6, 425210), (10, 255126), (12, 212605), (15, 170084), (20, 127563), (30, 85042), (60, 42521), (101, 25260), (202, 12630), (303, 8420), (404, 6315), (421, 6060), (505, 5052), (606, 4210), (842, 3030), (1010, 2526), (1212, 2105), (1263, 2020), (1515, 1684)]