631057920

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{647}}^1$

素因数の和:800

約数の個数: 160

約数和(自身を含む): 2036441088

約数和(自身を除く): 1405383168

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 127, 128, 160, 192, 240, 254, 256, 320, 381, 384, 480, 508, 512, 635, 640, 647, 762, 768, 960, 1016, 1270, 1280, 1294, 1524, 1536, 1905, 1920, 1941, 2032, 2540, 2560, 2588, 3048, 3235, 3810, 3840, 3882, 4064, 5080, 5176, 6096, 6470, 7620, 7680, 7764, 8128, 9705, 10160, 10352, 12192, 12940, 15240, 15528, 16256, 19410, 20320, 20704, 24384, 25880, 30480, 31056, 32512, 38820, 40640, 41408, 48768, 51760, 60960, 62112, 65024, 77640, 81280, 82169, 82816, 97536, 103520, 121920, 124224, 155280, 162560, 164338, 165632, 195072, 207040, 243840, 246507, 248448, 310560, 325120, 328676, 331264, 410845, 414080, 487680, 493014, 496896, 621120, 657352, 821690, 828160, 975360, 986028, 993792, 1232535, 1242240, 1314704, 1643380, 1656320, 1972056, 2465070, 2484480, 2629408, 3286760, 3944112, 4930140, 4968960, 5258816, 6573520, 7888224, 9860280, 10517632, 13147040, 15776448, 19720560, 21035264, 26294080, 31552896, 39441120, 42070528, 52588160, 63105792, 78882240, 105176320, 126211584, 157764480, 210352640, 315528960, 631057920]

約数ペア:

[(1, 631057920), (2, 315528960), (3, 210352640), (4, 157764480), (5, 126211584), (6, 105176320), (8, 78882240), (10, 63105792), (12, 52588160), (15, 42070528), (16, 39441120), (20, 31552896), (24, 26294080), (30, 21035264), (32, 19720560), (40, 15776448), (48, 13147040), (60, 10517632), (64, 9860280), (80, 7888224), (96, 6573520), (120, 5258816), (127, 4968960), (128, 4930140), (160, 3944112), (192, 3286760), (240, 2629408), (254, 2484480), (256, 2465070), (320, 1972056), (381, 1656320), (384, 1643380), (480, 1314704), (508, 1242240), (512, 1232535), (635, 993792), (640, 986028), (647, 975360), (762, 828160), (768, 821690), (960, 657352), (1016, 621120), (1270, 496896), (1280, 493014), (1294, 487680), (1524, 414080), (1536, 410845), (1905, 331264), (1920, 328676), (1941, 325120), (2032, 310560), (2540, 248448), (2560, 246507), (2588, 243840), (3048, 207040), (3235, 195072), (3810, 165632), (3840, 164338), (3882, 162560), (4064, 155280), (5080, 124224), (5176, 121920), (6096, 103520), (6470, 97536), (7620, 82816), (7680, 82169), (7764, 81280), (8128, 77640), (9705, 65024), (10160, 62112), (10352, 60960), (12192, 51760), (12940, 48768), (15240, 41408), (15528, 40640), (16256, 38820), (19410, 32512), (20320, 31056), (20704, 30480), (24384, 25880)]