79738740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{3187}}^1$

素因数の和:3341

約数の個数: 72

約数和(自身を含む): 243690720

約数和(自身を除く): 163951980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 139, 180, 278, 417, 556, 695, 834, 1251, 1390, 1668, 2085, 2502, 2780, 3187, 4170, 5004, 6255, 6374, 8340, 9561, 12510, 12748, 15935, 19122, 25020, 28683, 31870, 38244, 47805, 57366, 63740, 95610, 114732, 143415, 191220, 286830, 442993, 573660, 885986, 1328979, 1771972, 2214965, 2657958, 3986937, 4429930, 5315916, 6644895, 7973874, 8859860, 13289790, 15947748, 19934685, 26579580, 39869370, 79738740]

約数ペア:

[(1, 79738740), (2, 39869370), (3, 26579580), (4, 19934685), (5, 15947748), (6, 13289790), (9, 8859860), (10, 7973874), (12, 6644895), (15, 5315916), (18, 4429930), (20, 3986937), (30, 2657958), (36, 2214965), (45, 1771972), (60, 1328979), (90, 885986), (139, 573660), (180, 442993), (278, 286830), (417, 191220), (556, 143415), (695, 114732), (834, 95610), (1251, 63740), (1390, 57366), (1668, 47805), (2085, 38244), (2502, 31870), (2780, 28683), (3187, 25020), (4170, 19122), (5004, 15935), (6255, 12748), (6374, 12510), (8340, 9561)]