1980468480

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:313

約数の個数: 288

約数和(自身を含む): 6630801408

約数和(自身を除く): 4650332928

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, 131, 155, 160, 186, 192, 240, 248, 254, 256, 262, 310, 320, 372, 381, 384, 393, 465, 480, 496, 508, 524, 620, 635, 640, 655, 744, 762, 768, 786, 930, 960, 992, 1016, 1048, 1240, 1270, 1280, 1310, 1488, 1524, 1572, 1860, 1905, 1920, 1965, 1984, 2032, 2096, 2480, 2540, 2620, 2976, 3048, 3144, 3720, 3810, 3840, 3930, 3937, 3968, 4061, 4064, 4192, 4960, 5080, 5240, 5952, 6096, 6288, 7440, 7620, 7860, 7874, 7936, 8122, 8128, 8384, 9920, 10160, 10480, 11811, 11904, 12183, 12192, 12576, 14880, 15240, 15720, 15748, 16244, 16256, 16637, 16768, 19685, 19840, 20305, 20320, 20960, 23622, 23808, 24366, 24384, 25152, 29760, 30480, 31440, 31496, 32488, 32512, 33274, 33536, 39370, 39680, 40610, 40640, 41920, 47244, 48732, 48768, 49911, 50304, 59055, 59520, 60915, 60960, 62880, 62992, 64976, 66548, 78740, 81220, 81280, 83185, 83840, 94488, 97464, 97536, 99822, 100608, 118110, 119040, 121830, 121920, 125760, 125984, 129952, 133096, 157480, 162440, 162560, 166370, 167680, 188976, 194928, 199644, 236220, 243660, 243840, 249555, 251520, 251968, 259904, 266192, 314960, 324880, 332740, 377952, 389856, 399288, 472440, 487320, 487680, 499110, 503040, 503936, 515747, 519808, 532384, 629920, 649760, 665480, 755904, 779712, 798576, 944880, 974640, 998220, 1007872, 1031494, 1039616, 1064768, 1259840, 1299520, 1330960, 1511808, 1547241, 1559424, 1597152, 1889760, 1949280, 1996440, 2062988, 2129536, 2519680, 2578735, 2599040, 2661920, 3023616, 3094482, 3118848, 3194304, 3779520, 3898560, 3992880, 4125976, 4259072, 5039360, 5157470, 5198080, 5323840, 6188964, 6388608, 7559040, 7736205, 7797120, 7985760, 8251952, 10314940, 10647680, 12377928, 12777216, 15118080, 15472410, 15594240, 15971520, 16503904, 20629880, 21295360, 24755856, 30944820, 31943040, 33007808, 41259760, 49511712, 61889640, 63886080, 66015616, 82519520, 99023424, 123779280, 132031232, 165039040, 198046848, 247558560, 330078080, 396093696, 495117120, 660156160, 990234240, 1980468480]

約数ペア:

[(1, 1980468480), (2, 990234240), (3, 660156160), (4, 495117120), (5, 396093696), (6, 330078080), (8, 247558560), (10, 198046848), (12, 165039040), (15, 132031232), (16, 123779280), (20, 99023424), (24, 82519520), (30, 66015616), (31, 63886080), (32, 61889640), (40, 49511712), (48, 41259760), (60, 33007808), (62, 31943040), (64, 30944820), (80, 24755856), (93, 21295360), (96, 20629880), (120, 16503904), (124, 15971520), (127, 15594240), (128, 15472410), (131, 15118080), (155, 12777216), (160, 12377928), (186, 10647680), (192, 10314940), (240, 8251952), (248, 7985760), (254, 7797120), (256, 7736205), (262, 7559040), (310, 6388608), (320, 6188964), (372, 5323840), (381, 5198080), (384, 5157470), (393, 5039360), (465, 4259072), (480, 4125976), (496, 3992880), (508, 3898560), (524, 3779520), (620, 3194304), (635, 3118848), (640, 3094482), (655, 3023616), (744, 2661920), (762, 2599040), (768, 2578735), (786, 2519680), (930, 2129536), (960, 2062988), (992, 1996440), (1016, 1949280), (1048, 1889760), (1240, 1597152), (1270, 1559424), (1280, 1547241), (1310, 1511808), (1488, 1330960), (1524, 1299520), (1572, 1259840), (1860, 1064768), (1905, 1039616), (1920, 1031494), (1965, 1007872), (1984, 998220), (2032, 974640), (2096, 944880), (2480, 798576), (2540, 779712), (2620, 755904), (2976, 665480), (3048, 649760), (3144, 629920), (3720, 532384), (3810, 519808), (3840, 515747), (3930, 503936), (3937, 503040), (3968, 499110), (4061, 487680), (4064, 487320), (4192, 472440), (4960, 399288), (5080, 389856), (5240, 377952), (5952, 332740), (6096, 324880), (6288, 314960), (7440, 266192), (7620, 259904), (7860, 251968), (7874, 251520), (7936, 249555), (8122, 243840), (8128, 243660), (8384, 236220), (9920, 199644), (10160, 194928), (10480, 188976), (11811, 167680), (11904, 166370), (12183, 162560), (12192, 162440), (12576, 157480), (14880, 133096), (15240, 129952), (15720, 125984), (15748, 125760), (16244, 121920), (16256, 121830), (16637, 119040), (16768, 118110), (19685, 100608), (19840, 99822), (20305, 97536), (20320, 97464), (20960, 94488), (23622, 83840), (23808, 83185), (24366, 81280), (24384, 81220), (25152, 78740), (29760, 66548), (30480, 64976), (31440, 62992), (31496, 62880), (32488, 60960), (32512, 60915), (33274, 59520), (33536, 59055), (39370, 50304), (39680, 49911), (40610, 48768), (40640, 48732), (41920, 47244)]