1395640

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:112

約数の個数: 64

約数和(自身を含む): 3447360

約数和(自身を除く): 2051720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 37, 40, 41, 46, 74, 82, 92, 115, 148, 164, 184, 185, 205, 230, 296, 328, 370, 410, 460, 740, 820, 851, 920, 943, 1480, 1517, 1640, 1702, 1886, 3034, 3404, 3772, 4255, 4715, 6068, 6808, 7544, 7585, 8510, 9430, 12136, 15170, 17020, 18860, 30340, 34040, 34891, 37720, 60680, 69782, 139564, 174455, 279128, 348910, 697820, 1395640]

約数ペア:

[(1, 1395640), (2, 697820), (4, 348910), (5, 279128), (8, 174455), (10, 139564), (20, 69782), (23, 60680), (37, 37720), (40, 34891), (41, 34040), (46, 30340), (74, 18860), (82, 17020), (92, 15170), (115, 12136), (148, 9430), (164, 8510), (184, 7585), (185, 7544), (205, 6808), (230, 6068), (296, 4715), (328, 4255), (370, 3772), (410, 3404), (460, 3034), (740, 1886), (820, 1702), (851, 1640), (920, 1517), (943, 1480)]