813817980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{41479}}^1$

素因数の和:41603

約数の個数: 72

約数和(自身を含む): 2491288800

約数和(自身を除く): 1677470820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 109, 180, 218, 327, 436, 545, 654, 981, 1090, 1308, 1635, 1962, 2180, 3270, 3924, 4905, 6540, 9810, 19620, 41479, 82958, 124437, 165916, 207395, 248874, 373311, 414790, 497748, 622185, 746622, 829580, 1244370, 1493244, 1866555, 2488740, 3733110, 4521211, 7466220, 9042422, 13563633, 18084844, 22606055, 27127266, 40690899, 45212110, 54254532, 67818165, 81381798, 90424220, 135636330, 162763596, 203454495, 271272660, 406908990, 813817980]

約数ペア:

[(1, 813817980), (2, 406908990), (3, 271272660), (4, 203454495), (5, 162763596), (6, 135636330), (9, 90424220), (10, 81381798), (12, 67818165), (15, 54254532), (18, 45212110), (20, 40690899), (30, 27127266), (36, 22606055), (45, 18084844), (60, 13563633), (90, 9042422), (109, 7466220), (180, 4521211), (218, 3733110), (327, 2488740), (436, 1866555), (545, 1493244), (654, 1244370), (981, 829580), (1090, 746622), (1308, 622185), (1635, 497748), (1962, 414790), (2180, 373311), (3270, 248874), (3924, 207395), (4905, 165916), (6540, 124437), (9810, 82958), (19620, 41479)]