813922020

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{502421}}^1$

素因数の和:502442

約数の個数: 60

約数和(自身を含む): 2553308604

約数和(自身を除く): 1739386584

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 502421, 1004842, 1507263, 2009684, 2512105, 3014526, 4521789, 5024210, 6029052, 7536315, 9043578, 10048420, 13565367, 15072630, 18087156, 22608945, 27130734, 30145260, 40696101, 45217890, 54261468, 67826835, 81392202, 90435780, 135653670, 162784404, 203480505, 271307340, 406961010, 813922020]

約数ペア:

[(1, 813922020), (2, 406961010), (3, 271307340), (4, 203480505), (5, 162784404), (6, 135653670), (9, 90435780), (10, 81392202), (12, 67826835), (15, 54261468), (18, 45217890), (20, 40696101), (27, 30145260), (30, 27130734), (36, 22608945), (45, 18087156), (54, 15072630), (60, 13565367), (81, 10048420), (90, 9043578), (108, 7536315), (135, 6029052), (162, 5024210), (180, 4521789), (270, 3014526), (324, 2512105), (405, 2009684), (540, 1507263), (810, 1004842), (1620, 502421)]