15590540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{577}}^1$

素因数の和:786

約数の個数: 48

約数和(自身を含む): 37676352

約数和(自身を除く): 22085812

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 193, 386, 577, 772, 965, 1154, 1351, 1930, 2308, 2702, 2885, 3860, 4039, 5404, 5770, 6755, 8078, 11540, 13510, 16156, 20195, 27020, 40390, 80780, 111361, 222722, 445444, 556805, 779527, 1113610, 1559054, 2227220, 3118108, 3897635, 7795270, 15590540]

約数ペア:

[(1, 15590540), (2, 7795270), (4, 3897635), (5, 3118108), (7, 2227220), (10, 1559054), (14, 1113610), (20, 779527), (28, 556805), (35, 445444), (70, 222722), (140, 111361), (193, 80780), (386, 40390), (577, 27020), (772, 20195), (965, 16156), (1154, 13510), (1351, 11540), (1930, 8078), (2308, 6755), (2702, 5770), (2885, 5404), (3860, 4039)]