1525720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{5449}}^1$

素因数の和:5467

約数の個数: 32

約数和(自身を含む): 3924000

約数和(自身を除く): 2398280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 5449, 10898, 21796, 27245, 38143, 43592, 54490, 76286, 108980, 152572, 190715, 217960, 305144, 381430, 762860, 1525720]

約数ペア:

[(1, 1525720), (2, 762860), (4, 381430), (5, 305144), (7, 217960), (8, 190715), (10, 152572), (14, 108980), (20, 76286), (28, 54490), (35, 43592), (40, 38143), (56, 27245), (70, 21796), (140, 10898), (280, 5449)]