420682240

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^1\times {\mathrm{14939}}^1$

素因数の和:14973

約数の個数: 80

約数和(自身を含む): 1100420640

約数和(自身を除く): 679738400

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 512, 640, 704, 880, 1280, 1408, 1760, 2560, 2816, 3520, 5632, 7040, 14080, 14939, 28160, 29878, 59756, 74695, 119512, 149390, 164329, 239024, 298780, 328658, 478048, 597560, 657316, 821645, 956096, 1195120, 1314632, 1643290, 1912192, 2390240, 2629264, 3286580, 3824384, 4780480, 5258528, 6573160, 7648768, 9560960, 10517056, 13146320, 19121920, 21034112, 26292640, 38243840, 42068224, 52585280, 84136448, 105170560, 210341120, 420682240]

約数ペア:

[(1, 420682240), (2, 210341120), (4, 105170560), (5, 84136448), (8, 52585280), (10, 42068224), (11, 38243840), (16, 26292640), (20, 21034112), (22, 19121920), (32, 13146320), (40, 10517056), (44, 9560960), (55, 7648768), (64, 6573160), (80, 5258528), (88, 4780480), (110, 3824384), (128, 3286580), (160, 2629264), (176, 2390240), (220, 1912192), (256, 1643290), (320, 1314632), (352, 1195120), (440, 956096), (512, 821645), (640, 657316), (704, 597560), (880, 478048), (1280, 328658), (1408, 298780), (1760, 239024), (2560, 164329), (2816, 149390), (3520, 119512), (5632, 74695), (7040, 59756), (14080, 29878), (14939, 28160)]