820446720

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{317}}^1\times {\mathrm{337}}^1$

素因数の和:680

約数の個数: 160

約数和(自身を含む): 2638947168

約数和(自身を除く): 1818500448

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, 128, 160, 192, 240, 256, 317, 320, 337, 384, 480, 512, 634, 640, 674, 768, 951, 960, 1011, 1268, 1280, 1348, 1536, 1585, 1685, 1902, 1920, 2022, 2536, 2560, 2696, 3170, 3370, 3804, 3840, 4044, 4755, 5055, 5072, 5392, 6340, 6740, 7608, 7680, 8088, 9510, 10110, 10144, 10784, 12680, 13480, 15216, 16176, 19020, 20220, 20288, 21568, 25360, 26960, 30432, 32352, 38040, 40440, 40576, 43136, 50720, 53920, 60864, 64704, 76080, 80880, 81152, 86272, 101440, 106829, 107840, 121728, 129408, 152160, 161760, 162304, 172544, 202880, 213658, 215680, 243456, 258816, 304320, 320487, 323520, 405760, 427316, 431360, 486912, 517632, 534145, 608640, 640974, 647040, 811520, 854632, 862720, 1068290, 1217280, 1281948, 1294080, 1602435, 1709264, 2136580, 2434560, 2563896, 2588160, 3204870, 3418528, 4273160, 5127792, 6409740, 6837056, 8546320, 10255584, 12819480, 13674112, 17092640, 20511168, 25638960, 27348224, 34185280, 41022336, 51277920, 54696448, 68370560, 82044672, 102555840, 136741120, 164089344, 205111680, 273482240, 410223360, 820446720]

約数ペア:

[(1, 820446720), (2, 410223360), (3, 273482240), (4, 205111680), (5, 164089344), (6, 136741120), (8, 102555840), (10, 82044672), (12, 68370560), (15, 54696448), (16, 51277920), (20, 41022336), (24, 34185280), (30, 27348224), (32, 25638960), (40, 20511168), (48, 17092640), (60, 13674112), (64, 12819480), (80, 10255584), (96, 8546320), (120, 6837056), (128, 6409740), (160, 5127792), (192, 4273160), (240, 3418528), (256, 3204870), (317, 2588160), (320, 2563896), (337, 2434560), (384, 2136580), (480, 1709264), (512, 1602435), (634, 1294080), (640, 1281948), (674, 1217280), (768, 1068290), (951, 862720), (960, 854632), (1011, 811520), (1268, 647040), (1280, 640974), (1348, 608640), (1536, 534145), (1585, 517632), (1685, 486912), (1902, 431360), (1920, 427316), (2022, 405760), (2536, 323520), (2560, 320487), (2696, 304320), (3170, 258816), (3370, 243456), (3804, 215680), (3840, 213658), (4044, 202880), (4755, 172544), (5055, 162304), (5072, 161760), (5392, 152160), (6340, 129408), (6740, 121728), (7608, 107840), (7680, 106829), (8088, 101440), (9510, 86272), (10110, 81152), (10144, 80880), (10784, 76080), (12680, 64704), (13480, 60864), (15216, 53920), (16176, 50720), (19020, 43136), (20220, 40576), (20288, 40440), (21568, 38040), (25360, 32352), (26960, 30432)]