15889872

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{389}}^1$

素因数の和:460

約数の個数: 80

約数和(自身を含む): 44104320

約数和(自身を除く): 28214448

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 37, 46, 48, 69, 74, 92, 111, 138, 148, 184, 222, 276, 296, 368, 389, 444, 552, 592, 778, 851, 888, 1104, 1167, 1556, 1702, 1776, 2334, 2553, 3112, 3404, 4668, 5106, 6224, 6808, 8947, 9336, 10212, 13616, 14393, 17894, 18672, 20424, 26841, 28786, 35788, 40848, 43179, 53682, 57572, 71576, 86358, 107364, 115144, 143152, 172716, 214728, 230288, 331039, 345432, 429456, 662078, 690864, 993117, 1324156, 1986234, 2648312, 3972468, 5296624, 7944936, 15889872]

約数ペア:

[(1, 15889872), (2, 7944936), (3, 5296624), (4, 3972468), (6, 2648312), (8, 1986234), (12, 1324156), (16, 993117), (23, 690864), (24, 662078), (37, 429456), (46, 345432), (48, 331039), (69, 230288), (74, 214728), (92, 172716), (111, 143152), (138, 115144), (148, 107364), (184, 86358), (222, 71576), (276, 57572), (296, 53682), (368, 43179), (389, 40848), (444, 35788), (552, 28786), (592, 26841), (778, 20424), (851, 18672), (888, 17894), (1104, 14393), (1167, 13616), (1556, 10212), (1702, 9336), (1776, 8947), (2334, 6808), (2553, 6224), (3112, 5106), (3404, 4668)]