320771520

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{877}}^1$

素因数の和:1027

約数の個数: 168

約数和(自身を含む): 1113275904

約数和(自身を除く): 792504384

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 127, 144, 160, 180, 192, 240, 254, 288, 320, 360, 381, 480, 508, 576, 635, 720, 762, 877, 960, 1016, 1143, 1270, 1440, 1524, 1754, 1905, 2032, 2286, 2540, 2631, 2880, 3048, 3508, 3810, 4064, 4385, 4572, 5080, 5262, 5715, 6096, 7016, 7620, 7893, 8128, 8770, 9144, 10160, 10524, 11430, 12192, 13155, 14032, 15240, 15786, 17540, 18288, 20320, 21048, 22860, 24384, 26310, 28064, 30480, 31572, 35080, 36576, 39465, 40640, 42096, 45720, 52620, 56128, 60960, 63144, 70160, 73152, 78930, 84192, 91440, 105240, 111379, 121920, 126288, 140320, 157860, 168384, 182880, 210480, 222758, 252576, 280640, 315720, 334137, 365760, 420960, 445516, 505152, 556895, 631440, 668274, 841920, 891032, 1002411, 1113790, 1262880, 1336548, 1670685, 1782064, 2004822, 2227580, 2525760, 2673096, 3341370, 3564128, 4009644, 4455160, 5012055, 5346192, 6682740, 7128256, 8019288, 8910320, 10024110, 10692384, 13365480, 16038576, 17820640, 20048220, 21384768, 26730960, 32077152, 35641280, 40096440, 53461920, 64154304, 80192880, 106923840, 160385760, 320771520]

約数ペア:

[(1, 320771520), (2, 160385760), (3, 106923840), (4, 80192880), (5, 64154304), (6, 53461920), (8, 40096440), (9, 35641280), (10, 32077152), (12, 26730960), (15, 21384768), (16, 20048220), (18, 17820640), (20, 16038576), (24, 13365480), (30, 10692384), (32, 10024110), (36, 8910320), (40, 8019288), (45, 7128256), (48, 6682740), (60, 5346192), (64, 5012055), (72, 4455160), (80, 4009644), (90, 3564128), (96, 3341370), (120, 2673096), (127, 2525760), (144, 2227580), (160, 2004822), (180, 1782064), (192, 1670685), (240, 1336548), (254, 1262880), (288, 1113790), (320, 1002411), (360, 891032), (381, 841920), (480, 668274), (508, 631440), (576, 556895), (635, 505152), (720, 445516), (762, 420960), (877, 365760), (960, 334137), (1016, 315720), (1143, 280640), (1270, 252576), (1440, 222758), (1524, 210480), (1754, 182880), (1905, 168384), (2032, 157860), (2286, 140320), (2540, 126288), (2631, 121920), (2880, 111379), (3048, 105240), (3508, 91440), (3810, 84192), (4064, 78930), (4385, 73152), (4572, 70160), (5080, 63144), (5262, 60960), (5715, 56128), (6096, 52620), (7016, 45720), (7620, 42096), (7893, 40640), (8128, 39465), (8770, 36576), (9144, 35080), (10160, 31572), (10524, 30480), (11430, 28064), (12192, 26310), (13155, 24384), (14032, 22860), (15240, 21048), (15786, 20320), (17540, 18288)]