805432880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{367}}^1\times {\mathrm{3919}}^1$

素因数の和:4306

約数の個数: 80

約数和(自身を含む): 2146529280

約数和(自身を除く): 1341096400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 367, 560, 734, 1468, 1835, 2569, 2936, 3670, 3919, 5138, 5872, 7340, 7838, 10276, 12845, 14680, 15676, 19595, 20552, 25690, 27433, 29360, 31352, 39190, 41104, 51380, 54866, 62704, 78380, 102760, 109732, 137165, 156760, 205520, 219464, 274330, 313520, 438928, 548660, 1097320, 1438273, 2194640, 2876546, 5753092, 7191365, 10067911, 11506184, 14382730, 20135822, 23012368, 28765460, 40271644, 50339555, 57530920, 80543288, 100679110, 115061840, 161086576, 201358220, 402716440, 805432880]

約数ペア:

[(1, 805432880), (2, 402716440), (4, 201358220), (5, 161086576), (7, 115061840), (8, 100679110), (10, 80543288), (14, 57530920), (16, 50339555), (20, 40271644), (28, 28765460), (35, 23012368), (40, 20135822), (56, 14382730), (70, 11506184), (80, 10067911), (112, 7191365), (140, 5753092), (280, 2876546), (367, 2194640), (560, 1438273), (734, 1097320), (1468, 548660), (1835, 438928), (2569, 313520), (2936, 274330), (3670, 219464), (3919, 205520), (5138, 156760), (5872, 137165), (7340, 109732), (7838, 102760), (10276, 78380), (12845, 62704), (14680, 54866), (15676, 51380), (19595, 41104), (20552, 39190), (25690, 31352), (27433, 29360)]