179818740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{7187}}^1$

素因数の和:7341

約数の個数: 72

約数和(自身を含む): 549450720

約数和(自身を除く): 369631980

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, 4170, 5004, 6255, 7187, 8340, 12510, 14374, 21561, 25020, 28748, 35935, 43122, 64683, 71870, 86244, 107805, 129366, 143740, 215610, 258732, 323415, 431220, 646830, 998993, 1293660, 1997986, 2996979, 3995972, 4994965, 5993958, 8990937, 9989930, 11987916, 14984895, 17981874, 19979860, 29969790, 35963748, 44954685, 59939580, 89909370, 179818740]

約数ペア:

[(1, 179818740), (2, 89909370), (3, 59939580), (4, 44954685), (5, 35963748), (6, 29969790), (9, 19979860), (10, 17981874), (12, 14984895), (15, 11987916), (18, 9989930), (20, 8990937), (30, 5993958), (36, 4994965), (45, 3995972), (60, 2996979), (90, 1997986), (139, 1293660), (180, 998993), (278, 646830), (417, 431220), (556, 323415), (695, 258732), (834, 215610), (1251, 143740), (1390, 129366), (1668, 107805), (2085, 86244), (2502, 71870), (2780, 64683), (4170, 43122), (5004, 35935), (6255, 28748), (7187, 25020), (8340, 21561), (12510, 14374)]