79769480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{661}}^1$

素因数の和:1110

約数の個数: 64

約数和(自身を含む): 205908480

約数和(自身を除く): 126139000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 431, 661, 862, 1322, 1724, 2155, 2644, 3017, 3305, 3448, 4310, 4627, 5288, 6034, 6610, 8620, 9254, 12068, 13220, 15085, 17240, 18508, 23135, 24136, 26440, 30170, 37016, 46270, 60340, 92540, 120680, 185080, 284891, 569782, 1139564, 1424455, 1994237, 2279128, 2848910, 3988474, 5697820, 7976948, 9971185, 11395640, 15953896, 19942370, 39884740, 79769480]

約数ペア:

[(1, 79769480), (2, 39884740), (4, 19942370), (5, 15953896), (7, 11395640), (8, 9971185), (10, 7976948), (14, 5697820), (20, 3988474), (28, 2848910), (35, 2279128), (40, 1994237), (56, 1424455), (70, 1139564), (140, 569782), (280, 284891), (431, 185080), (661, 120680), (862, 92540), (1322, 60340), (1724, 46270), (2155, 37016), (2644, 30170), (3017, 26440), (3305, 24136), (3448, 23135), (4310, 18508), (4627, 17240), (5288, 15085), (6034, 13220), (6610, 12068), (8620, 9254)]