3131230720

素因数分解:

$2^9\times 5^1\times {\mathrm{127}}^1\times {\mathrm{9631}}^1$

素因数の和:9781

約数の個数: 80

約数和(自身を含む): 7567515648

約数和(自身を除く): 4436284928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 256, 320, 508, 512, 635, 640, 1016, 1270, 1280, 2032, 2540, 2560, 4064, 5080, 8128, 9631, 10160, 16256, 19262, 20320, 32512, 38524, 40640, 48155, 65024, 77048, 81280, 96310, 154096, 162560, 192620, 308192, 325120, 385240, 616384, 770480, 1223137, 1232768, 1540960, 2446274, 2465536, 3081920, 4892548, 4931072, 6115685, 6163840, 9785096, 12231370, 12327680, 19570192, 24462740, 24655360, 39140384, 48925480, 78280768, 97850960, 156561536, 195701920, 313123072, 391403840, 626246144, 782807680, 1565615360, 3131230720]

約数ペア:

[(1, 3131230720), (2, 1565615360), (4, 782807680), (5, 626246144), (8, 391403840), (10, 313123072), (16, 195701920), (20, 156561536), (32, 97850960), (40, 78280768), (64, 48925480), (80, 39140384), (127, 24655360), (128, 24462740), (160, 19570192), (254, 12327680), (256, 12231370), (320, 9785096), (508, 6163840), (512, 6115685), (635, 4931072), (640, 4892548), (1016, 3081920), (1270, 2465536), (1280, 2446274), (2032, 1540960), (2540, 1232768), (2560, 1223137), (4064, 770480), (5080, 616384), (8128, 385240), (9631, 325120), (10160, 308192), (16256, 192620), (19262, 162560), (20320, 154096), (32512, 96310), (38524, 81280), (40640, 77048), (48155, 65024)]