15266440

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{7789}}^1$

素因数の和:7814

約数の個数: 48

約数和(自身を含む): 39962700

約数和(自身を除く): 24696260

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 7789, 15578, 31156, 38945, 54523, 62312, 77890, 109046, 155780, 218092, 272615, 311560, 381661, 436184, 545230, 763322, 1090460, 1526644, 1908305, 2180920, 3053288, 3816610, 7633220, 15266440]

約数ペア:

[(1, 15266440), (2, 7633220), (4, 3816610), (5, 3053288), (7, 2180920), (8, 1908305), (10, 1526644), (14, 1090460), (20, 763322), (28, 545230), (35, 436184), (40, 381661), (49, 311560), (56, 272615), (70, 218092), (98, 155780), (140, 109046), (196, 77890), (245, 62312), (280, 54523), (392, 38945), (490, 31156), (980, 15578), (1960, 7789)]