12857880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{15307}}^1$

素因数の和:15328

約数の個数: 64

約数和(自身を含む): 44087040

約数和(自身を除く): 31229160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 15307, 30614, 45921, 61228, 76535, 91842, 107149, 122456, 153070, 183684, 214298, 229605, 306140, 321447, 367368, 428596, 459210, 535745, 612280, 642894, 857192, 918420, 1071490, 1285788, 1607235, 1836840, 2142980, 2571576, 3214470, 4285960, 6428940, 12857880]

約数ペア:

[(1, 12857880), (2, 6428940), (3, 4285960), (4, 3214470), (5, 2571576), (6, 2142980), (7, 1836840), (8, 1607235), (10, 1285788), (12, 1071490), (14, 918420), (15, 857192), (20, 642894), (21, 612280), (24, 535745), (28, 459210), (30, 428596), (35, 367368), (40, 321447), (42, 306140), (56, 229605), (60, 214298), (70, 183684), (84, 153070), (105, 122456), (120, 107149), (140, 91842), (168, 76535), (210, 61228), (280, 45921), (420, 30614), (840, 15307)]