80577180

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{49739}}^1$

素因数の和:49760

約数の個数: 60

約数和(自身を含む): 252778680

約数和(自身を除く): 172201500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 49739, 99478, 149217, 198956, 248695, 298434, 447651, 497390, 596868, 746085, 895302, 994780, 1342953, 1492170, 1790604, 2238255, 2685906, 2984340, 4028859, 4476510, 5371812, 6714765, 8057718, 8953020, 13429530, 16115436, 20144295, 26859060, 40288590, 80577180]

約数ペア:

[(1, 80577180), (2, 40288590), (3, 26859060), (4, 20144295), (5, 16115436), (6, 13429530), (9, 8953020), (10, 8057718), (12, 6714765), (15, 5371812), (18, 4476510), (20, 4028859), (27, 2984340), (30, 2685906), (36, 2238255), (45, 1790604), (54, 1492170), (60, 1342953), (81, 994780), (90, 895302), (108, 746085), (135, 596868), (162, 497390), (180, 447651), (270, 298434), (324, 248695), (405, 198956), (540, 149217), (810, 99478), (1620, 49739)]