157445680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{281153}}^1$

素因数の和:281173

約数の個数: 40

約数和(自身を含む): 418357152

約数和(自身を除く): 260911472

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 281153, 562306, 1124612, 1405765, 1968071, 2249224, 2811530, 3936142, 4498448, 5623060, 7872284, 9840355, 11246120, 15744568, 19680710, 22492240, 31489136, 39361420, 78722840, 157445680]

約数ペア:

[(1, 157445680), (2, 78722840), (4, 39361420), (5, 31489136), (7, 22492240), (8, 19680710), (10, 15744568), (14, 11246120), (16, 9840355), (20, 7872284), (28, 5623060), (35, 4498448), (40, 3936142), (56, 2811530), (70, 2249224), (80, 1968071), (112, 1405765), (140, 1124612), (280, 562306), (560, 281153)]