81131010

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{73091}}^1$

素因数の和:73138

約数の個数: 32

約数和(自身を含む): 199979712

約数和(自身を除く): 118848702

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 74, 111, 185, 222, 370, 555, 1110, 73091, 146182, 219273, 365455, 438546, 730910, 1096365, 2192730, 2704367, 5408734, 8113101, 13521835, 16226202, 27043670, 40565505, 81131010]

約数ペア:

[(1, 81131010), (2, 40565505), (3, 27043670), (5, 16226202), (6, 13521835), (10, 8113101), (15, 5408734), (30, 2704367), (37, 2192730), (74, 1096365), (111, 730910), (185, 438546), (222, 365455), (370, 219273), (555, 146182), (1110, 73091)]