15397240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{22643}}^1$

素因数の和:22671

約数の個数: 32

約数和(自身を含む): 36683280

約数和(自身を除く): 21286040

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 22643, 45286, 90572, 113215, 181144, 226430, 384931, 452860, 769862, 905720, 1539724, 1924655, 3079448, 3849310, 7698620, 15397240]

約数ペア:

[(1, 15397240), (2, 7698620), (4, 3849310), (5, 3079448), (8, 1924655), (10, 1539724), (17, 905720), (20, 769862), (34, 452860), (40, 384931), (68, 226430), (85, 181144), (136, 113215), (170, 90572), (340, 45286), (680, 22643)]