2744460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{193}}^1$

素因数の和:287

約数の個数: 72

約数和(自身を含む): 8473920

約数和(自身を除く): 5729460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 79, 90, 158, 180, 193, 237, 316, 386, 395, 474, 579, 711, 772, 790, 948, 965, 1158, 1185, 1422, 1580, 1737, 1930, 2316, 2370, 2844, 2895, 3474, 3555, 3860, 4740, 5790, 6948, 7110, 8685, 11580, 14220, 15247, 17370, 30494, 34740, 45741, 60988, 76235, 91482, 137223, 152470, 182964, 228705, 274446, 304940, 457410, 548892, 686115, 914820, 1372230, 2744460]

約数ペア:

[(1, 2744460), (2, 1372230), (3, 914820), (4, 686115), (5, 548892), (6, 457410), (9, 304940), (10, 274446), (12, 228705), (15, 182964), (18, 152470), (20, 137223), (30, 91482), (36, 76235), (45, 60988), (60, 45741), (79, 34740), (90, 30494), (158, 17370), (180, 15247), (193, 14220), (237, 11580), (316, 8685), (386, 7110), (395, 6948), (474, 5790), (579, 4740), (711, 3860), (772, 3555), (790, 3474), (948, 2895), (965, 2844), (1158, 2370), (1185, 2316), (1422, 1930), (1580, 1737)]