81356640

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{169493}}^1$

素因数の和:169511

約数の個数: 48

約数和(自身を含む): 256274928

約数和(自身を除く): 174918288

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 169493, 338986, 508479, 677972, 847465, 1016958, 1355944, 1694930, 2033916, 2542395, 2711888, 3389860, 4067832, 5084790, 5423776, 6779720, 8135664, 10169580, 13559440, 16271328, 20339160, 27118880, 40678320, 81356640]

約数ペア:

[(1, 81356640), (2, 40678320), (3, 27118880), (4, 20339160), (5, 16271328), (6, 13559440), (8, 10169580), (10, 8135664), (12, 6779720), (15, 5423776), (16, 5084790), (20, 4067832), (24, 3389860), (30, 2711888), (32, 2542395), (40, 2033916), (48, 1694930), (60, 1355944), (80, 1016958), (96, 847465), (120, 677972), (160, 508479), (240, 338986), (480, 169493)]