172212660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{6883}}^1$

素因数の和:7037

約数の個数: 72

約数和(自身を含む): 526212960

約数和(自身を除く): 354000300

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, 6883, 8340, 12510, 13766, 20649, 25020, 27532, 34415, 41298, 61947, 68830, 82596, 103245, 123894, 137660, 206490, 247788, 309735, 412980, 619470, 956737, 1238940, 1913474, 2870211, 3826948, 4783685, 5740422, 8610633, 9567370, 11480844, 14351055, 17221266, 19134740, 28702110, 34442532, 43053165, 57404220, 86106330, 172212660]

約数ペア:

[(1, 172212660), (2, 86106330), (3, 57404220), (4, 43053165), (5, 34442532), (6, 28702110), (9, 19134740), (10, 17221266), (12, 14351055), (15, 11480844), (18, 9567370), (20, 8610633), (30, 5740422), (36, 4783685), (45, 3826948), (60, 2870211), (90, 1913474), (139, 1238940), (180, 956737), (278, 619470), (417, 412980), (556, 309735), (695, 247788), (834, 206490), (1251, 137660), (1390, 123894), (1668, 103245), (2085, 82596), (2502, 68830), (2780, 61947), (4170, 41298), (5004, 34415), (6255, 27532), (6883, 25020), (8340, 20649), (12510, 13766)]