2819521920

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{373}}^1$

素因数の和:553

約数の個数: 256

約数和(自身を含む): 9375252480

約数和(自身を除く): 6555730560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 127, 128, 155, 160, 186, 192, 240, 248, 254, 310, 320, 372, 373, 381, 384, 465, 480, 496, 508, 620, 635, 640, 744, 746, 762, 930, 960, 992, 1016, 1119, 1240, 1270, 1488, 1492, 1524, 1860, 1865, 1905, 1920, 1984, 2032, 2238, 2480, 2540, 2976, 2984, 3048, 3720, 3730, 3810, 3937, 3968, 4064, 4476, 4960, 5080, 5595, 5952, 5968, 6096, 7440, 7460, 7620, 7874, 8128, 8952, 9920, 10160, 11190, 11563, 11811, 11904, 11936, 12192, 14880, 14920, 15240, 15748, 16256, 17904, 19685, 19840, 20320, 22380, 23126, 23622, 23872, 24384, 29760, 29840, 30480, 31496, 34689, 35808, 39370, 40640, 44760, 46252, 47244, 47371, 47744, 48768, 57815, 59055, 59520, 59680, 60960, 62992, 69378, 71616, 78740, 81280, 89520, 92504, 94488, 94742, 115630, 118110, 119360, 121920, 125984, 138756, 142113, 143232, 157480, 173445, 179040, 185008, 188976, 189484, 231260, 236220, 236855, 238720, 243840, 251968, 277512, 284226, 314960, 346890, 358080, 370016, 377952, 378968, 462520, 472440, 473710, 503936, 555024, 568452, 629920, 693780, 710565, 716160, 740032, 755904, 757936, 925040, 944880, 947420, 1110048, 1136904, 1259840, 1387560, 1421130, 1468501, 1480064, 1511808, 1515872, 1850080, 1889760, 1894840, 2220096, 2273808, 2519680, 2775120, 2842260, 2937002, 3031744, 3700160, 3779520, 3789680, 4405503, 4440192, 4547616, 5550240, 5684520, 5874004, 6063488, 7342505, 7400320, 7559040, 7579360, 8811006, 9095232, 11100480, 11369040, 11748008, 14685010, 15158720, 17622012, 18190464, 22027515, 22200960, 22738080, 23496016, 29370020, 30317440, 35244024, 44055030, 45476160, 46992032, 58740040, 70488048, 88110060, 90952320, 93984064, 117480080, 140976096, 176220120, 187968128, 234960160, 281952192, 352440240, 469920320, 563904384, 704880480, 939840640, 1409760960, 2819521920]

約数ペア:

[(1, 2819521920), (2, 1409760960), (3, 939840640), (4, 704880480), (5, 563904384), (6, 469920320), (8, 352440240), (10, 281952192), (12, 234960160), (15, 187968128), (16, 176220120), (20, 140976096), (24, 117480080), (30, 93984064), (31, 90952320), (32, 88110060), (40, 70488048), (48, 58740040), (60, 46992032), (62, 45476160), (64, 44055030), (80, 35244024), (93, 30317440), (96, 29370020), (120, 23496016), (124, 22738080), (127, 22200960), (128, 22027515), (155, 18190464), (160, 17622012), (186, 15158720), (192, 14685010), (240, 11748008), (248, 11369040), (254, 11100480), (310, 9095232), (320, 8811006), (372, 7579360), (373, 7559040), (381, 7400320), (384, 7342505), (465, 6063488), (480, 5874004), (496, 5684520), (508, 5550240), (620, 4547616), (635, 4440192), (640, 4405503), (744, 3789680), (746, 3779520), (762, 3700160), (930, 3031744), (960, 2937002), (992, 2842260), (1016, 2775120), (1119, 2519680), (1240, 2273808), (1270, 2220096), (1488, 1894840), (1492, 1889760), (1524, 1850080), (1860, 1515872), (1865, 1511808), (1905, 1480064), (1920, 1468501), (1984, 1421130), (2032, 1387560), (2238, 1259840), (2480, 1136904), (2540, 1110048), (2976, 947420), (2984, 944880), (3048, 925040), (3720, 757936), (3730, 755904), (3810, 740032), (3937, 716160), (3968, 710565), (4064, 693780), (4476, 629920), (4960, 568452), (5080, 555024), (5595, 503936), (5952, 473710), (5968, 472440), (6096, 462520), (7440, 378968), (7460, 377952), (7620, 370016), (7874, 358080), (8128, 346890), (8952, 314960), (9920, 284226), (10160, 277512), (11190, 251968), (11563, 243840), (11811, 238720), (11904, 236855), (11936, 236220), (12192, 231260), (14880, 189484), (14920, 188976), (15240, 185008), (15748, 179040), (16256, 173445), (17904, 157480), (19685, 143232), (19840, 142113), (20320, 138756), (22380, 125984), (23126, 121920), (23622, 119360), (23872, 118110), (24384, 115630), (29760, 94742), (29840, 94488), (30480, 92504), (31496, 89520), (34689, 81280), (35808, 78740), (39370, 71616), (40640, 69378), (44760, 62992), (46252, 60960), (47244, 59680), (47371, 59520), (47744, 59055), (48768, 57815)]