15777580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8669}}^1$

素因数の和:8698

約数の個数: 48

約数和(自身を含む): 40783680

約数和(自身を除く): 25006100

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 8669, 17338, 34676, 43345, 60683, 86690, 112697, 121366, 173380, 225394, 242732, 303415, 450788, 563485, 606830, 788879, 1126970, 1213660, 1577758, 2253940, 3155516, 3944395, 7888790, 15777580]

約数ペア:

[(1, 15777580), (2, 7888790), (4, 3944395), (5, 3155516), (7, 2253940), (10, 1577758), (13, 1213660), (14, 1126970), (20, 788879), (26, 606830), (28, 563485), (35, 450788), (52, 303415), (65, 242732), (70, 225394), (91, 173380), (130, 121366), (140, 112697), (182, 86690), (260, 60683), (364, 43345), (455, 34676), (910, 17338), (1820, 8669)]