1805471370

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{17551}}^1$

素因数の和:17697

約数の個数: 80

約数和(自身を含む): 4893216768

約数和(自身を除く): 3087745398

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 127, 135, 162, 254, 270, 381, 405, 635, 762, 810, 1143, 1270, 1905, 2286, 3429, 3810, 5715, 6858, 10287, 11430, 17145, 17551, 20574, 34290, 35102, 51435, 52653, 87755, 102870, 105306, 157959, 175510, 263265, 315918, 473877, 526530, 789795, 947754, 1421631, 1579590, 2228977, 2369385, 2843262, 4457954, 4738770, 6686931, 7108155, 11144885, 13373862, 14216310, 20060793, 22289770, 33434655, 40121586, 60182379, 66869310, 100303965, 120364758, 180547137, 200607930, 300911895, 361094274, 601823790, 902735685, 1805471370]

約数ペア:

[(1, 1805471370), (2, 902735685), (3, 601823790), (5, 361094274), (6, 300911895), (9, 200607930), (10, 180547137), (15, 120364758), (18, 100303965), (27, 66869310), (30, 60182379), (45, 40121586), (54, 33434655), (81, 22289770), (90, 20060793), (127, 14216310), (135, 13373862), (162, 11144885), (254, 7108155), (270, 6686931), (381, 4738770), (405, 4457954), (635, 2843262), (762, 2369385), (810, 2228977), (1143, 1579590), (1270, 1421631), (1905, 947754), (2286, 789795), (3429, 526530), (3810, 473877), (5715, 315918), (6858, 263265), (10287, 175510), (11430, 157959), (17145, 105306), (17551, 102870), (20574, 87755), (34290, 52653), (35102, 51435)]