15388240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{27479}}^1$

素因数の和:27499

約数の個数: 40

約数和(自身を含む): 40890240

約数和(自身を除く): 25502000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 27479, 54958, 109916, 137395, 192353, 219832, 274790, 384706, 439664, 549580, 769412, 961765, 1099160, 1538824, 1923530, 2198320, 3077648, 3847060, 7694120, 15388240]

約数ペア:

[(1, 15388240), (2, 7694120), (4, 3847060), (5, 3077648), (7, 2198320), (8, 1923530), (10, 1538824), (14, 1099160), (16, 961765), (20, 769412), (28, 549580), (35, 439664), (40, 384706), (56, 274790), (70, 219832), (80, 192353), (112, 137395), (140, 109916), (280, 54958), (560, 27479)]