1520373820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{787}}^1\times {\mathrm{13799}}^1$

素因数の和:14602

約数の個数: 48

約数和(自身を含む): 3653798400

約数和(自身を除く): 2133424580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 787, 1574, 3148, 3935, 5509, 7870, 11018, 13799, 15740, 22036, 27545, 27598, 55090, 55196, 68995, 96593, 110180, 137990, 193186, 275980, 386372, 482965, 965930, 1931860, 10859813, 21719626, 43439252, 54299065, 76018691, 108598130, 152037382, 217196260, 304074764, 380093455, 760186910, 1520373820]

約数ペア:

[(1, 1520373820), (2, 760186910), (4, 380093455), (5, 304074764), (7, 217196260), (10, 152037382), (14, 108598130), (20, 76018691), (28, 54299065), (35, 43439252), (70, 21719626), (140, 10859813), (787, 1931860), (1574, 965930), (3148, 482965), (3935, 386372), (5509, 275980), (7870, 193186), (11018, 137990), (13799, 110180), (15740, 96593), (22036, 68995), (27545, 55196), (27598, 55090)]