256878720

素因数分解:

$2^7\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{277}}^1$

素因数の和:332

約数の個数: 384

約数和(自身を含む): 1061648640

約数和(自身を除く): 804769920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 23, 24, 28, 30, 32, 35, 36, 40, 42, 45, 46, 48, 56, 60, 63, 64, 69, 70, 72, 80, 84, 90, 92, 96, 105, 112, 115, 120, 126, 128, 138, 140, 144, 160, 161, 168, 180, 184, 192, 207, 210, 224, 230, 240, 252, 276, 277, 280, 288, 315, 320, 322, 336, 345, 360, 368, 384, 414, 420, 448, 460, 480, 483, 504, 552, 554, 560, 576, 630, 640, 644, 672, 690, 720, 736, 805, 828, 831, 840, 896, 920, 960, 966, 1008, 1035, 1104, 1108, 1120, 1152, 1260, 1288, 1344, 1380, 1385, 1440, 1449, 1472, 1610, 1656, 1662, 1680, 1840, 1920, 1932, 1939, 2016, 2070, 2208, 2216, 2240, 2415, 2493, 2520, 2576, 2688, 2760, 2770, 2880, 2898, 2944, 3220, 3312, 3324, 3360, 3680, 3864, 3878, 4032, 4140, 4155, 4416, 4432, 4480, 4830, 4986, 5040, 5152, 5520, 5540, 5760, 5796, 5817, 6371, 6440, 6624, 6648, 6720, 7245, 7360, 7728, 7756, 8064, 8280, 8310, 8832, 8864, 9660, 9695, 9972, 10080, 10304, 11040, 11080, 11592, 11634, 12465, 12742, 12880, 13248, 13296, 13440, 14490, 14720, 15456, 15512, 16560, 16620, 17451, 17728, 19113, 19320, 19390, 19944, 20160, 20608, 22080, 22160, 23184, 23268, 24930, 25484, 25760, 26496, 26592, 28980, 29085, 30912, 31024, 31855, 33120, 33240, 34902, 35456, 38226, 38640, 38780, 39888, 40320, 44160, 44320, 44597, 46368, 46536, 49860, 50968, 51520, 53184, 57339, 57960, 58170, 61824, 62048, 63710, 66240, 66480, 69804, 76452, 77280, 77560, 79776, 87255, 88640, 89194, 92736, 93072, 95565, 99720, 101936, 103040, 106368, 114678, 115920, 116340, 124096, 127420, 132480, 132960, 133791, 139608, 152904, 154560, 155120, 159552, 174510, 177280, 178388, 185472, 186144, 191130, 199440, 203872, 222985, 229356, 231840, 232680, 248192, 254840, 265920, 267582, 279216, 286695, 305808, 309120, 310240, 319104, 349020, 356776, 372288, 382260, 398880, 401373, 407744, 445970, 458712, 463680, 465360, 509680, 531840, 535164, 558432, 573390, 611616, 620480, 668955, 698040, 713552, 744576, 764520, 797760, 802746, 815488, 891940, 917424, 927360, 930720, 1019360, 1070328, 1116864, 1146780, 1223232, 1240960, 1337910, 1396080, 1427104, 1529040, 1595520, 1605492, 1783880, 1834848, 1861440, 2006865, 2038720, 2140656, 2233728, 2293560, 2446464, 2675820, 2792160, 2854208, 3058080, 3210984, 3567760, 3669696, 3722880, 4013730, 4077440, 4281312, 4587120, 5351640, 5584320, 5708416, 6116160, 6421968, 7135520, 7339392, 8027460, 8562624, 9174240, 10703280, 11168640, 12232320, 12843936, 14271040, 16054920, 17125248, 18348480, 21406560, 25687872, 28542080, 32109840, 36696960, 42813120, 51375744, 64219680, 85626240, 128439360, 256878720]

約数ペア:

[(1, 256878720), (2, 128439360), (3, 85626240), (4, 64219680), (5, 51375744), (6, 42813120), (7, 36696960), (8, 32109840), (9, 28542080), (10, 25687872), (12, 21406560), (14, 18348480), (15, 17125248), (16, 16054920), (18, 14271040), (20, 12843936), (21, 12232320), (23, 11168640), (24, 10703280), (28, 9174240), (30, 8562624), (32, 8027460), (35, 7339392), (36, 7135520), (40, 6421968), (42, 6116160), (45, 5708416), (46, 5584320), (48, 5351640), (56, 4587120), (60, 4281312), (63, 4077440), (64, 4013730), (69, 3722880), (70, 3669696), (72, 3567760), (80, 3210984), (84, 3058080), (90, 2854208), (92, 2792160), (96, 2675820), (105, 2446464), (112, 2293560), (115, 2233728), (120, 2140656), (126, 2038720), (128, 2006865), (138, 1861440), (140, 1834848), (144, 1783880), (160, 1605492), (161, 1595520), (168, 1529040), (180, 1427104), (184, 1396080), (192, 1337910), (207, 1240960), (210, 1223232), (224, 1146780), (230, 1116864), (240, 1070328), (252, 1019360), (276, 930720), (277, 927360), (280, 917424), (288, 891940), (315, 815488), (320, 802746), (322, 797760), (336, 764520), (345, 744576), (360, 713552), (368, 698040), (384, 668955), (414, 620480), (420, 611616), (448, 573390), (460, 558432), (480, 535164), (483, 531840), (504, 509680), (552, 465360), (554, 463680), (560, 458712), (576, 445970), (630, 407744), (640, 401373), (644, 398880), (672, 382260), (690, 372288), (720, 356776), (736, 349020), (805, 319104), (828, 310240), (831, 309120), (840, 305808), (896, 286695), (920, 279216), (960, 267582), (966, 265920), (1008, 254840), (1035, 248192), (1104, 232680), (1108, 231840), (1120, 229356), (1152, 222985), (1260, 203872), (1288, 199440), (1344, 191130), (1380, 186144), (1385, 185472), (1440, 178388), (1449, 177280), (1472, 174510), (1610, 159552), (1656, 155120), (1662, 154560), (1680, 152904), (1840, 139608), (1920, 133791), (1932, 132960), (1939, 132480), (2016, 127420), (2070, 124096), (2208, 116340), (2216, 115920), (2240, 114678), (2415, 106368), (2493, 103040), (2520, 101936), (2576, 99720), (2688, 95565), (2760, 93072), (2770, 92736), (2880, 89194), (2898, 88640), (2944, 87255), (3220, 79776), (3312, 77560), (3324, 77280), (3360, 76452), (3680, 69804), (3864, 66480), (3878, 66240), (4032, 63710), (4140, 62048), (4155, 61824), (4416, 58170), (4432, 57960), (4480, 57339), (4830, 53184), (4986, 51520), (5040, 50968), (5152, 49860), (5520, 46536), (5540, 46368), (5760, 44597), (5796, 44320), (5817, 44160), (6371, 40320), (6440, 39888), (6624, 38780), (6648, 38640), (6720, 38226), (7245, 35456), (7360, 34902), (7728, 33240), (7756, 33120), (8064, 31855), (8280, 31024), (8310, 30912), (8832, 29085), (8864, 28980), (9660, 26592), (9695, 26496), (9972, 25760), (10080, 25484), (10304, 24930), (11040, 23268), (11080, 23184), (11592, 22160), (11634, 22080), (12465, 20608), (12742, 20160), (12880, 19944), (13248, 19390), (13296, 19320), (13440, 19113), (14490, 17728), (14720, 17451), (15456, 16620), (15512, 16560)]