15865280

素因数分解:

$2^6\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1153}}^1$

素因数の和:1213

約数の個数: 56

約数和(自身を含む): 38691312

約数和(自身を除く): 22826032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 160, 172, 215, 320, 344, 430, 688, 860, 1153, 1376, 1720, 2306, 2752, 3440, 4612, 5765, 6880, 9224, 11530, 13760, 18448, 23060, 36896, 46120, 49579, 73792, 92240, 99158, 184480, 198316, 247895, 368960, 396632, 495790, 793264, 991580, 1586528, 1983160, 3173056, 3966320, 7932640, 15865280]

約数ペア:

[(1, 15865280), (2, 7932640), (4, 3966320), (5, 3173056), (8, 1983160), (10, 1586528), (16, 991580), (20, 793264), (32, 495790), (40, 396632), (43, 368960), (64, 247895), (80, 198316), (86, 184480), (160, 99158), (172, 92240), (215, 73792), (320, 49579), (344, 46120), (430, 36896), (688, 23060), (860, 18448), (1153, 13760), (1376, 11530), (1720, 9224), (2306, 6880), (2752, 5765), (3440, 4612)]