1660540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{409}}^1$

素因数の和:454

約数の個数: 48

約数和(自身を含む): 4132800

約数和(自身を除く): 2472260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 409, 580, 812, 818, 1015, 1636, 2030, 2045, 2863, 4060, 4090, 5726, 8180, 11452, 11861, 14315, 23722, 28630, 47444, 57260, 59305, 83027, 118610, 166054, 237220, 332108, 415135, 830270, 1660540]

約数ペア:

[(1, 1660540), (2, 830270), (4, 415135), (5, 332108), (7, 237220), (10, 166054), (14, 118610), (20, 83027), (28, 59305), (29, 57260), (35, 47444), (58, 28630), (70, 23722), (116, 14315), (140, 11861), (145, 11452), (203, 8180), (290, 5726), (406, 4090), (409, 4060), (580, 2863), (812, 2045), (818, 2030), (1015, 1636)]