2561137920

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{6737}}^1$

素因数の和:6778

約数の個数: 288

約数和(自身を含む): 9916179840

約数和(自身を除く): 7355041920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 32, 33, 36, 40, 44, 45, 48, 54, 55, 60, 64, 66, 72, 80, 88, 90, 96, 99, 108, 110, 120, 128, 132, 135, 144, 160, 165, 176, 180, 192, 198, 216, 220, 240, 256, 264, 270, 288, 297, 320, 330, 352, 360, 384, 396, 432, 440, 480, 495, 528, 540, 576, 594, 640, 660, 704, 720, 768, 792, 864, 880, 960, 990, 1056, 1080, 1152, 1188, 1280, 1320, 1408, 1440, 1485, 1584, 1728, 1760, 1920, 1980, 2112, 2160, 2304, 2376, 2640, 2816, 2880, 2970, 3168, 3456, 3520, 3840, 3960, 4224, 4320, 4752, 5280, 5760, 5940, 6336, 6737, 6912, 7040, 7920, 8448, 8640, 9504, 10560, 11520, 11880, 12672, 13474, 14080, 15840, 17280, 19008, 20211, 21120, 23760, 25344, 26948, 31680, 33685, 34560, 38016, 40422, 42240, 47520, 53896, 60633, 63360, 67370, 74107, 76032, 80844, 95040, 101055, 107792, 121266, 126720, 134740, 148214, 161688, 181899, 190080, 202110, 215584, 222321, 242532, 269480, 296428, 303165, 323376, 363798, 370535, 380160, 404220, 431168, 444642, 485064, 538960, 592856, 606330, 646752, 666963, 727596, 741070, 808440, 862336, 889284, 909495, 970128, 1077920, 1111605, 1185712, 1212660, 1293504, 1333926, 1455192, 1482140, 1616880, 1724672, 1778568, 1818990, 1940256, 2000889, 2155840, 2223210, 2371424, 2425320, 2587008, 2667852, 2910384, 2964280, 3233760, 3334815, 3557136, 3637980, 3880512, 4001778, 4311680, 4446420, 4742848, 4850640, 5174016, 5335704, 5820768, 5928560, 6467520, 6669630, 7114272, 7275960, 7761024, 8003556, 8623360, 8892840, 9485696, 9701280, 10004445, 10671408, 11641536, 11857120, 12935040, 13339260, 14228544, 14551920, 15522048, 16007112, 17785680, 18971392, 19402560, 20008890, 21342816, 23283072, 23714240, 25870080, 26678520, 28457088, 29103840, 32014224, 35571360, 38805120, 40017780, 42685632, 46566144, 47428480, 53357040, 56914176, 58207680, 64028448, 71142720, 77610240, 80035560, 85371264, 94856960, 106714080, 116415360, 128056896, 142285440, 160071120, 170742528, 213428160, 232830720, 256113792, 284570880, 320142240, 426856320, 512227584, 640284480, 853712640, 1280568960, 2561137920]

約数ペア:

[(1, 2561137920), (2, 1280568960), (3, 853712640), (4, 640284480), (5, 512227584), (6, 426856320), (8, 320142240), (9, 284570880), (10, 256113792), (11, 232830720), (12, 213428160), (15, 170742528), (16, 160071120), (18, 142285440), (20, 128056896), (22, 116415360), (24, 106714080), (27, 94856960), (30, 85371264), (32, 80035560), (33, 77610240), (36, 71142720), (40, 64028448), (44, 58207680), (45, 56914176), (48, 53357040), (54, 47428480), (55, 46566144), (60, 42685632), (64, 40017780), (66, 38805120), (72, 35571360), (80, 32014224), (88, 29103840), (90, 28457088), (96, 26678520), (99, 25870080), (108, 23714240), (110, 23283072), (120, 21342816), (128, 20008890), (132, 19402560), (135, 18971392), (144, 17785680), (160, 16007112), (165, 15522048), (176, 14551920), (180, 14228544), (192, 13339260), (198, 12935040), (216, 11857120), (220, 11641536), (240, 10671408), (256, 10004445), (264, 9701280), (270, 9485696), (288, 8892840), (297, 8623360), (320, 8003556), (330, 7761024), (352, 7275960), (360, 7114272), (384, 6669630), (396, 6467520), (432, 5928560), (440, 5820768), (480, 5335704), (495, 5174016), (528, 4850640), (540, 4742848), (576, 4446420), (594, 4311680), (640, 4001778), (660, 3880512), (704, 3637980), (720, 3557136), (768, 3334815), (792, 3233760), (864, 2964280), (880, 2910384), (960, 2667852), (990, 2587008), (1056, 2425320), (1080, 2371424), (1152, 2223210), (1188, 2155840), (1280, 2000889), (1320, 1940256), (1408, 1818990), (1440, 1778568), (1485, 1724672), (1584, 1616880), (1728, 1482140), (1760, 1455192), (1920, 1333926), (1980, 1293504), (2112, 1212660), (2160, 1185712), (2304, 1111605), (2376, 1077920), (2640, 970128), (2816, 909495), (2880, 889284), (2970, 862336), (3168, 808440), (3456, 741070), (3520, 727596), (3840, 666963), (3960, 646752), (4224, 606330), (4320, 592856), (4752, 538960), (5280, 485064), (5760, 444642), (5940, 431168), (6336, 404220), (6737, 380160), (6912, 370535), (7040, 363798), (7920, 323376), (8448, 303165), (8640, 296428), (9504, 269480), (10560, 242532), (11520, 222321), (11880, 215584), (12672, 202110), (13474, 190080), (14080, 181899), (15840, 161688), (17280, 148214), (19008, 134740), (20211, 126720), (21120, 121266), (23760, 107792), (25344, 101055), (26948, 95040), (31680, 80844), (33685, 76032), (34560, 74107), (38016, 67370), (40422, 63360), (42240, 60633), (47520, 53896)]