28186020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{156589}}^1$

素因数の和:156604

約数の個数: 36

約数和(自身を含む): 85498140

約数和(自身を除く): 57312120

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 156589, 313178, 469767, 626356, 782945, 939534, 1409301, 1565890, 1879068, 2348835, 2818602, 3131780, 4697670, 5637204, 7046505, 9395340, 14093010, 28186020]

約数ペア:

[(1, 28186020), (2, 14093010), (3, 9395340), (4, 7046505), (5, 5637204), (6, 4697670), (9, 3131780), (10, 2818602), (12, 2348835), (15, 1879068), (18, 1565890), (20, 1409301), (30, 939534), (36, 782945), (45, 626356), (60, 469767), (90, 313178), (180, 156589)]