28497660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{2251}}^1$

素因数の和:2474

約数の個数: 48

約数和(自身を含む): 80207232

約数和(自身を除く): 51709572

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 211, 422, 633, 844, 1055, 1266, 2110, 2251, 2532, 3165, 4220, 4502, 6330, 6753, 9004, 11255, 12660, 13506, 22510, 27012, 33765, 45020, 67530, 135060, 474961, 949922, 1424883, 1899844, 2374805, 2849766, 4749610, 5699532, 7124415, 9499220, 14248830, 28497660]

約数ペア:

[(1, 28497660), (2, 14248830), (3, 9499220), (4, 7124415), (5, 5699532), (6, 4749610), (10, 2849766), (12, 2374805), (15, 1899844), (20, 1424883), (30, 949922), (60, 474961), (211, 135060), (422, 67530), (633, 45020), (844, 33765), (1055, 27012), (1266, 22510), (2110, 13506), (2251, 12660), (2532, 11255), (3165, 9004), (4220, 6753), (4502, 6330)]