15125320

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{7717}}^1$

素因数の和:7742

約数の個数: 48

約数和(自身を含む): 39593340

約数和(自身を除く): 24468020

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 7717, 15434, 30868, 38585, 54019, 61736, 77170, 108038, 154340, 216076, 270095, 308680, 378133, 432152, 540190, 756266, 1080380, 1512532, 1890665, 2160760, 3025064, 3781330, 7562660, 15125320]

約数ペア:

[(1, 15125320), (2, 7562660), (4, 3781330), (5, 3025064), (7, 2160760), (8, 1890665), (10, 1512532), (14, 1080380), (20, 756266), (28, 540190), (35, 432152), (40, 378133), (49, 308680), (56, 270095), (70, 216076), (98, 154340), (140, 108038), (196, 77170), (245, 61736), (280, 54019), (392, 38585), (490, 30868), (980, 15434), (1960, 7717)]