15648620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{433}}^1$

素因数の和:594

約数の個数: 48

約数和(自身を含む): 35726880

約数和(自身を除く): 20078260

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 139, 260, 278, 433, 556, 695, 866, 1390, 1732, 1807, 2165, 2780, 3614, 4330, 5629, 7228, 8660, 9035, 11258, 18070, 22516, 28145, 36140, 56290, 60187, 112580, 120374, 240748, 300935, 601870, 782431, 1203740, 1564862, 3129724, 3912155, 7824310, 15648620]

約数ペア:

[(1, 15648620), (2, 7824310), (4, 3912155), (5, 3129724), (10, 1564862), (13, 1203740), (20, 782431), (26, 601870), (52, 300935), (65, 240748), (130, 120374), (139, 112580), (260, 60187), (278, 56290), (433, 36140), (556, 28145), (695, 22516), (866, 18070), (1390, 11258), (1732, 9035), (1807, 8660), (2165, 7228), (2780, 5629), (3614, 4330)]