17967971520

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{1999}}^1\times {\mathrm{3121}}^1$

素因数の和:5143

約数の個数: 168

約数和(自身を含む): 61853064000

約数和(自身を除く): 43885092480

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, 144, 160, 180, 192, 240, 288, 320, 360, 480, 576, 720, 960, 1440, 1999, 2880, 3121, 3998, 5997, 6242, 7996, 9363, 9995, 11994, 12484, 15605, 15992, 17991, 18726, 19990, 23988, 24968, 28089, 29985, 31210, 31984, 35982, 37452, 39980, 46815, 47976, 49936, 56178, 59970, 62420, 63968, 71964, 74904, 79960, 89955, 93630, 95952, 99872, 112356, 119940, 124840, 127936, 140445, 143928, 149808, 159920, 179910, 187260, 191904, 199744, 224712, 239880, 249680, 280890, 287856, 299616, 319840, 359820, 374520, 383808, 449424, 479760, 499360, 561780, 575712, 599232, 639680, 719640, 749040, 898848, 959520, 998720, 1123560, 1151424, 1439280, 1498080, 1797696, 1919040, 2247120, 2878560, 2996160, 4494240, 5757120, 6238879, 8988480, 12477758, 18716637, 24955516, 31194395, 37433274, 49911032, 56149911, 62388790, 74866548, 93583185, 99822064, 112299822, 124777580, 149733096, 187166370, 199644128, 224599644, 249555160, 280749555, 299466192, 374332740, 399288256, 449199288, 499110320, 561499110, 598932384, 748665480, 898398576, 998220640, 1122998220, 1197864768, 1497330960, 1796797152, 1996441280, 2245996440, 2994661920, 3593594304, 4491992880, 5989323840, 8983985760, 17967971520]

約数ペア:

[(1, 17967971520), (2, 8983985760), (3, 5989323840), (4, 4491992880), (5, 3593594304), (6, 2994661920), (8, 2245996440), (9, 1996441280), (10, 1796797152), (12, 1497330960), (15, 1197864768), (16, 1122998220), (18, 998220640), (20, 898398576), (24, 748665480), (30, 598932384), (32, 561499110), (36, 499110320), (40, 449199288), (45, 399288256), (48, 374332740), (60, 299466192), (64, 280749555), (72, 249555160), (80, 224599644), (90, 199644128), (96, 187166370), (120, 149733096), (144, 124777580), (160, 112299822), (180, 99822064), (192, 93583185), (240, 74866548), (288, 62388790), (320, 56149911), (360, 49911032), (480, 37433274), (576, 31194395), (720, 24955516), (960, 18716637), (1440, 12477758), (1999, 8988480), (2880, 6238879), (3121, 5757120), (3998, 4494240), (5997, 2996160), (6242, 2878560), (7996, 2247120), (9363, 1919040), (9995, 1797696), (11994, 1498080), (12484, 1439280), (15605, 1151424), (15992, 1123560), (17991, 998720), (18726, 959520), (19990, 898848), (23988, 749040), (24968, 719640), (28089, 639680), (29985, 599232), (31210, 575712), (31984, 561780), (35982, 499360), (37452, 479760), (39980, 449424), (46815, 383808), (47976, 374520), (49936, 359820), (56178, 319840), (59970, 299616), (62420, 287856), (63968, 280890), (71964, 249680), (74904, 239880), (79960, 224712), (89955, 199744), (93630, 191904), (95952, 187260), (99872, 179910), (112356, 159920), (119940, 149808), (124840, 143928), (127936, 140445)]