189707280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{112921}}^1$

素因数の和:112944

約数の個数: 80

約数和(自身を含む): 672111744

約数和(自身を除く): 482404464

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 112921, 225842, 338763, 451684, 564605, 677526, 790447, 903368, 1129210, 1355052, 1580894, 1693815, 1806736, 2258420, 2371341, 2710104, 3161788, 3387630, 3952235, 4516840, 4742682, 5420208, 6323576, 6775260, 7904470, 9033680, 9485364, 11856705, 12647152, 13550520, 15808940, 18970728, 23713410, 27101040, 31617880, 37941456, 47426820, 63235760, 94853640, 189707280]

約数ペア:

[(1, 189707280), (2, 94853640), (3, 63235760), (4, 47426820), (5, 37941456), (6, 31617880), (7, 27101040), (8, 23713410), (10, 18970728), (12, 15808940), (14, 13550520), (15, 12647152), (16, 11856705), (20, 9485364), (21, 9033680), (24, 7904470), (28, 6775260), (30, 6323576), (35, 5420208), (40, 4742682), (42, 4516840), (48, 3952235), (56, 3387630), (60, 3161788), (70, 2710104), (80, 2371341), (84, 2258420), (105, 1806736), (112, 1693815), (120, 1580894), (140, 1355052), (168, 1129210), (210, 903368), (240, 790447), (280, 677526), (336, 564605), (420, 451684), (560, 338763), (840, 225842), (1680, 112921)]