15301120

素因数分解:

$2^9\times 5^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:205

約数の個数: 80

約数和(自身を含む): 37810080

約数和(自身を除く): 22508960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 139, 160, 172, 215, 256, 278, 320, 344, 430, 512, 556, 640, 688, 695, 860, 1112, 1280, 1376, 1390, 1720, 2224, 2560, 2752, 2780, 3440, 4448, 5504, 5560, 5977, 6880, 8896, 11008, 11120, 11954, 13760, 17792, 22016, 22240, 23908, 27520, 29885, 35584, 44480, 47816, 55040, 59770, 71168, 88960, 95632, 110080, 119540, 177920, 191264, 239080, 355840, 382528, 478160, 765056, 956320, 1530112, 1912640, 3060224, 3825280, 7650560, 15301120]

約数ペア:

[(1, 15301120), (2, 7650560), (4, 3825280), (5, 3060224), (8, 1912640), (10, 1530112), (16, 956320), (20, 765056), (32, 478160), (40, 382528), (43, 355840), (64, 239080), (80, 191264), (86, 177920), (128, 119540), (139, 110080), (160, 95632), (172, 88960), (215, 71168), (256, 59770), (278, 55040), (320, 47816), (344, 44480), (430, 35584), (512, 29885), (556, 27520), (640, 23908), (688, 22240), (695, 22016), (860, 17792), (1112, 13760), (1280, 11954), (1376, 11120), (1390, 11008), (1720, 8896), (2224, 6880), (2560, 5977), (2752, 5560), (2780, 5504), (3440, 4448)]