400627620

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{247301}}^1$

素因数の和:247322

約数の個数: 60

約数和(自身を含む): 1256788764

約数和(自身を除く): 856161144

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, 247301, 494602, 741903, 989204, 1236505, 1483806, 2225709, 2473010, 2967612, 3709515, 4451418, 4946020, 6677127, 7419030, 8902836, 11128545, 13354254, 14838060, 20031381, 22257090, 26708508, 33385635, 40062762, 44514180, 66771270, 80125524, 100156905, 133542540, 200313810, 400627620]

約数ペア:

[(1, 400627620), (2, 200313810), (3, 133542540), (4, 100156905), (5, 80125524), (6, 66771270), (9, 44514180), (10, 40062762), (12, 33385635), (15, 26708508), (18, 22257090), (20, 20031381), (27, 14838060), (30, 13354254), (36, 11128545), (45, 8902836), (54, 7419030), (60, 6677127), (81, 4946020), (90, 4451418), (108, 3709515), (135, 2967612), (162, 2473010), (180, 2225709), (270, 1483806), (324, 1236505), (405, 989204), (540, 741903), (810, 494602), (1620, 247301)]