208038060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{18947}}^1$

素因数の和:19023

約数の個数: 72

約数和(自身を含む): 641427696

約数和(自身を除く): 433389636

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 180, 183, 244, 305, 366, 549, 610, 732, 915, 1098, 1220, 1830, 2196, 2745, 3660, 5490, 10980, 18947, 37894, 56841, 75788, 94735, 113682, 170523, 189470, 227364, 284205, 341046, 378940, 568410, 682092, 852615, 1136820, 1155767, 1705230, 2311534, 3410460, 3467301, 4623068, 5778835, 6934602, 10401903, 11557670, 13869204, 17336505, 20803806, 23115340, 34673010, 41607612, 52009515, 69346020, 104019030, 208038060]

約数ペア:

[(1, 208038060), (2, 104019030), (3, 69346020), (4, 52009515), (5, 41607612), (6, 34673010), (9, 23115340), (10, 20803806), (12, 17336505), (15, 13869204), (18, 11557670), (20, 10401903), (30, 6934602), (36, 5778835), (45, 4623068), (60, 3467301), (61, 3410460), (90, 2311534), (122, 1705230), (180, 1155767), (183, 1136820), (244, 852615), (305, 682092), (366, 568410), (549, 378940), (610, 341046), (732, 284205), (915, 227364), (1098, 189470), (1220, 170523), (1830, 113682), (2196, 94735), (2745, 75788), (3660, 56841), (5490, 37894), (10980, 18947)]