1556289280

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{431}}^1$

素因数の和:503

約数の個数: 288

約数和(自身を含む): 4747051008

約数和(自身を除く): 3190761728

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 31, 32, 35, 40, 52, 56, 62, 64, 65, 70, 80, 91, 104, 112, 124, 128, 130, 140, 155, 160, 182, 208, 217, 224, 248, 256, 260, 280, 310, 320, 364, 403, 416, 431, 434, 448, 455, 496, 520, 560, 620, 640, 728, 806, 832, 862, 868, 896, 910, 992, 1040, 1085, 1120, 1240, 1280, 1456, 1612, 1664, 1724, 1736, 1792, 1820, 1984, 2015, 2080, 2155, 2170, 2240, 2480, 2821, 2912, 3017, 3224, 3328, 3448, 3472, 3640, 3968, 4030, 4160, 4310, 4340, 4480, 4960, 5603, 5642, 5824, 6034, 6448, 6896, 6944, 7280, 7936, 8060, 8320, 8620, 8680, 8960, 9920, 11206, 11284, 11648, 12068, 12896, 13361, 13792, 13888, 14105, 14560, 15085, 16120, 16640, 17240, 17360, 19840, 22412, 22568, 23296, 24136, 25792, 26722, 27584, 27776, 28015, 28210, 29120, 30170, 32240, 34480, 34720, 39221, 39680, 44824, 45136, 48272, 51584, 53444, 55168, 55552, 56030, 56420, 58240, 60340, 64480, 66805, 68960, 69440, 78442, 89648, 90272, 93527, 96544, 103168, 106888, 110336, 112060, 112840, 116480, 120680, 128960, 133610, 137920, 138880, 156884, 173693, 179296, 180544, 187054, 193088, 196105, 213776, 224120, 225680, 241360, 257920, 267220, 275840, 277760, 313768, 347386, 358592, 361088, 374108, 386176, 392210, 427552, 448240, 451360, 467635, 482720, 515840, 534440, 551680, 627536, 694772, 717184, 722176, 748216, 772352, 784420, 855104, 868465, 896480, 902720, 935270, 965440, 1068880, 1215851, 1255072, 1389544, 1434368, 1496432, 1568840, 1710208, 1736930, 1792960, 1805440, 1870540, 1930880, 2137760, 2431702, 2510144, 2779088, 2992864, 3137680, 3420416, 3473860, 3585920, 3610880, 3741080, 3861760, 4275520, 4863404, 5020288, 5558176, 5985728, 6079255, 6275360, 6947720, 7171840, 7482160, 8551040, 9726808, 10040576, 11116352, 11971456, 12158510, 12550720, 13895440, 14964320, 17102080, 19453616, 22232704, 23942912, 24317020, 25101440, 27790880, 29928640, 38907232, 44465408, 48634040, 50202880, 55581760, 59857280, 77814464, 97268080, 111163520, 119714560, 155628928, 194536160, 222327040, 311257856, 389072320, 778144640, 1556289280]

約数ペア:

[(1, 1556289280), (2, 778144640), (4, 389072320), (5, 311257856), (7, 222327040), (8, 194536160), (10, 155628928), (13, 119714560), (14, 111163520), (16, 97268080), (20, 77814464), (26, 59857280), (28, 55581760), (31, 50202880), (32, 48634040), (35, 44465408), (40, 38907232), (52, 29928640), (56, 27790880), (62, 25101440), (64, 24317020), (65, 23942912), (70, 22232704), (80, 19453616), (91, 17102080), (104, 14964320), (112, 13895440), (124, 12550720), (128, 12158510), (130, 11971456), (140, 11116352), (155, 10040576), (160, 9726808), (182, 8551040), (208, 7482160), (217, 7171840), (224, 6947720), (248, 6275360), (256, 6079255), (260, 5985728), (280, 5558176), (310, 5020288), (320, 4863404), (364, 4275520), (403, 3861760), (416, 3741080), (431, 3610880), (434, 3585920), (448, 3473860), (455, 3420416), (496, 3137680), (520, 2992864), (560, 2779088), (620, 2510144), (640, 2431702), (728, 2137760), (806, 1930880), (832, 1870540), (862, 1805440), (868, 1792960), (896, 1736930), (910, 1710208), (992, 1568840), (1040, 1496432), (1085, 1434368), (1120, 1389544), (1240, 1255072), (1280, 1215851), (1456, 1068880), (1612, 965440), (1664, 935270), (1724, 902720), (1736, 896480), (1792, 868465), (1820, 855104), (1984, 784420), (2015, 772352), (2080, 748216), (2155, 722176), (2170, 717184), (2240, 694772), (2480, 627536), (2821, 551680), (2912, 534440), (3017, 515840), (3224, 482720), (3328, 467635), (3448, 451360), (3472, 448240), (3640, 427552), (3968, 392210), (4030, 386176), (4160, 374108), (4310, 361088), (4340, 358592), (4480, 347386), (4960, 313768), (5603, 277760), (5642, 275840), (5824, 267220), (6034, 257920), (6448, 241360), (6896, 225680), (6944, 224120), (7280, 213776), (7936, 196105), (8060, 193088), (8320, 187054), (8620, 180544), (8680, 179296), (8960, 173693), (9920, 156884), (11206, 138880), (11284, 137920), (11648, 133610), (12068, 128960), (12896, 120680), (13361, 116480), (13792, 112840), (13888, 112060), (14105, 110336), (14560, 106888), (15085, 103168), (16120, 96544), (16640, 93527), (17240, 90272), (17360, 89648), (19840, 78442), (22412, 69440), (22568, 68960), (23296, 66805), (24136, 64480), (25792, 60340), (26722, 58240), (27584, 56420), (27776, 56030), (28015, 55552), (28210, 55168), (29120, 53444), (30170, 51584), (32240, 48272), (34480, 45136), (34720, 44824), (39221, 39680)]