128041480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{1061}}^1$

素因数の和:1510

約数の個数: 64

約数和(自身を含む): 330324480

約数和(自身を除く): 202283000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 431, 862, 1061, 1724, 2122, 2155, 3017, 3448, 4244, 4310, 5305, 6034, 7427, 8488, 8620, 10610, 12068, 14854, 15085, 17240, 21220, 24136, 29708, 30170, 37135, 42440, 59416, 60340, 74270, 120680, 148540, 297080, 457291, 914582, 1829164, 2286455, 3201037, 3658328, 4572910, 6402074, 9145820, 12804148, 16005185, 18291640, 25608296, 32010370, 64020740, 128041480]

約数ペア:

[(1, 128041480), (2, 64020740), (4, 32010370), (5, 25608296), (7, 18291640), (8, 16005185), (10, 12804148), (14, 9145820), (20, 6402074), (28, 4572910), (35, 3658328), (40, 3201037), (56, 2286455), (70, 1829164), (140, 914582), (280, 457291), (431, 297080), (862, 148540), (1061, 120680), (1724, 74270), (2122, 60340), (2155, 59416), (3017, 42440), (3448, 37135), (4244, 30170), (4310, 29708), (5305, 24136), (6034, 21220), (7427, 17240), (8488, 15085), (8620, 14854), (10610, 12068)]