208065480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{247697}}^1$

素因数の和:247718

約数の個数: 64

約数和(自身を含む): 713370240

約数和(自身を除く): 505304760

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, 247697, 495394, 743091, 990788, 1238485, 1486182, 1733879, 1981576, 2476970, 2972364, 3467758, 3715455, 4953940, 5201637, 5944728, 6935516, 7430910, 8669395, 9907880, 10403274, 13871032, 14861820, 17338790, 20806548, 26008185, 29723640, 34677580, 41613096, 52016370, 69355160, 104032740, 208065480]

約数ペア:

[(1, 208065480), (2, 104032740), (3, 69355160), (4, 52016370), (5, 41613096), (6, 34677580), (7, 29723640), (8, 26008185), (10, 20806548), (12, 17338790), (14, 14861820), (15, 13871032), (20, 10403274), (21, 9907880), (24, 8669395), (28, 7430910), (30, 6935516), (35, 5944728), (40, 5201637), (42, 4953940), (56, 3715455), (60, 3467758), (70, 2972364), (84, 2476970), (105, 1981576), (120, 1733879), (140, 1486182), (168, 1238485), (210, 990788), (280, 743091), (420, 495394), (840, 247697)]