15397480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{433}}^1$

素因数の和:578

約数の個数: 64

約数和(自身を含む): 39997440

約数和(自身を除く): 24599960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 127, 140, 254, 280, 433, 508, 635, 866, 889, 1016, 1270, 1732, 1778, 2165, 2540, 3031, 3464, 3556, 4330, 4445, 5080, 6062, 7112, 8660, 8890, 12124, 15155, 17320, 17780, 24248, 30310, 35560, 54991, 60620, 109982, 121240, 219964, 274955, 384937, 439928, 549910, 769874, 1099820, 1539748, 1924685, 2199640, 3079496, 3849370, 7698740, 15397480]

約数ペア:

[(1, 15397480), (2, 7698740), (4, 3849370), (5, 3079496), (7, 2199640), (8, 1924685), (10, 1539748), (14, 1099820), (20, 769874), (28, 549910), (35, 439928), (40, 384937), (56, 274955), (70, 219964), (127, 121240), (140, 109982), (254, 60620), (280, 54991), (433, 35560), (508, 30310), (635, 24248), (866, 17780), (889, 17320), (1016, 15155), (1270, 12124), (1732, 8890), (1778, 8660), (2165, 7112), (2540, 6062), (3031, 5080), (3464, 4445), (3556, 4330)]