15189920

素因数分解:

$2^5\times 5^1\times {\mathrm{139}}^1\times {\mathrm{683}}^1$

素因数の和:837

約数の個数: 48

約数和(自身を含む): 36197280

約数和(自身を除く): 21007360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 139, 160, 278, 556, 683, 695, 1112, 1366, 1390, 2224, 2732, 2780, 3415, 4448, 5464, 5560, 6830, 10928, 11120, 13660, 21856, 22240, 27320, 54640, 94937, 109280, 189874, 379748, 474685, 759496, 949370, 1518992, 1898740, 3037984, 3797480, 7594960, 15189920]

約数ペア:

[(1, 15189920), (2, 7594960), (4, 3797480), (5, 3037984), (8, 1898740), (10, 1518992), (16, 949370), (20, 759496), (32, 474685), (40, 379748), (80, 189874), (139, 109280), (160, 94937), (278, 54640), (556, 27320), (683, 22240), (695, 21856), (1112, 13660), (1366, 11120), (1390, 10928), (2224, 6830), (2732, 5560), (2780, 5464), (3415, 4448)]