7681041280

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^3\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:250

約数の個数: 256

約数和(自身を含む): 20643102720

約数和(自身を除く): 12962061440

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 71, 80, 88, 110, 121, 127, 128, 142, 160, 176, 220, 242, 254, 284, 320, 352, 355, 440, 484, 508, 568, 605, 635, 640, 704, 710, 781, 880, 968, 1016, 1136, 1210, 1270, 1331, 1397, 1408, 1420, 1562, 1760, 1936, 2032, 2272, 2420, 2540, 2662, 2794, 2840, 3124, 3520, 3872, 3905, 4064, 4544, 4840, 5080, 5324, 5588, 5680, 6248, 6655, 6985, 7040, 7744, 7810, 8128, 8591, 9017, 9088, 9680, 10160, 10648, 11176, 11360, 12496, 13310, 13970, 15367, 15488, 15620, 16256, 17182, 18034, 19360, 20320, 21296, 22352, 22720, 24992, 26620, 27940, 30734, 31240, 34364, 36068, 38720, 40640, 42592, 42955, 44704, 45085, 45440, 49984, 53240, 55880, 61468, 62480, 68728, 72136, 76835, 77440, 81280, 85184, 85910, 89408, 90170, 94501, 99187, 99968, 106480, 111760, 122936, 124960, 137456, 144272, 153670, 169037, 170368, 171820, 178816, 180340, 189002, 198374, 212960, 223520, 245872, 249920, 274912, 288544, 307340, 338074, 343640, 360680, 378004, 396748, 425920, 447040, 472505, 491744, 495935, 499840, 549824, 577088, 614680, 676148, 687280, 721360, 756008, 793496, 845185, 851840, 894080, 945010, 983488, 991870, 1091057, 1099648, 1154176, 1229360, 1352296, 1374560, 1442720, 1512016, 1586992, 1690370, 1890020, 1966976, 1983740, 2182114, 2458720, 2704592, 2749120, 2885440, 3024032, 3173984, 3380740, 3780040, 3967480, 4364228, 4917440, 5409184, 5455285, 5498240, 5770880, 6048064, 6347968, 6761480, 7560080, 7934960, 8728456, 9834880, 10818368, 10910570, 12001627, 12096128, 12695936, 13522960, 15120160, 15869920, 17456912, 21636736, 21821140, 24003254, 27045920, 30240320, 31739840, 34913824, 43642280, 48006508, 54091840, 60008135, 60480640, 63479680, 69827648, 87284560, 96013016, 108183680, 120016270, 139655296, 174569120, 192026032, 240032540, 349138240, 384052064, 480065080, 698276480, 768104128, 960130160, 1536208256, 1920260320, 3840520640, 7681041280]

約数ペア:

[(1, 7681041280), (2, 3840520640), (4, 1920260320), (5, 1536208256), (8, 960130160), (10, 768104128), (11, 698276480), (16, 480065080), (20, 384052064), (22, 349138240), (32, 240032540), (40, 192026032), (44, 174569120), (55, 139655296), (64, 120016270), (71, 108183680), (80, 96013016), (88, 87284560), (110, 69827648), (121, 63479680), (127, 60480640), (128, 60008135), (142, 54091840), (160, 48006508), (176, 43642280), (220, 34913824), (242, 31739840), (254, 30240320), (284, 27045920), (320, 24003254), (352, 21821140), (355, 21636736), (440, 17456912), (484, 15869920), (508, 15120160), (568, 13522960), (605, 12695936), (635, 12096128), (640, 12001627), (704, 10910570), (710, 10818368), (781, 9834880), (880, 8728456), (968, 7934960), (1016, 7560080), (1136, 6761480), (1210, 6347968), (1270, 6048064), (1331, 5770880), (1397, 5498240), (1408, 5455285), (1420, 5409184), (1562, 4917440), (1760, 4364228), (1936, 3967480), (2032, 3780040), (2272, 3380740), (2420, 3173984), (2540, 3024032), (2662, 2885440), (2794, 2749120), (2840, 2704592), (3124, 2458720), (3520, 2182114), (3872, 1983740), (3905, 1966976), (4064, 1890020), (4544, 1690370), (4840, 1586992), (5080, 1512016), (5324, 1442720), (5588, 1374560), (5680, 1352296), (6248, 1229360), (6655, 1154176), (6985, 1099648), (7040, 1091057), (7744, 991870), (7810, 983488), (8128, 945010), (8591, 894080), (9017, 851840), (9088, 845185), (9680, 793496), (10160, 756008), (10648, 721360), (11176, 687280), (11360, 676148), (12496, 614680), (13310, 577088), (13970, 549824), (15367, 499840), (15488, 495935), (15620, 491744), (16256, 472505), (17182, 447040), (18034, 425920), (19360, 396748), (20320, 378004), (21296, 360680), (22352, 343640), (22720, 338074), (24992, 307340), (26620, 288544), (27940, 274912), (30734, 249920), (31240, 245872), (34364, 223520), (36068, 212960), (38720, 198374), (40640, 189002), (42592, 180340), (42955, 178816), (44704, 171820), (45085, 170368), (45440, 169037), (49984, 153670), (53240, 144272), (55880, 137456), (61468, 124960), (62480, 122936), (68728, 111760), (72136, 106480), (76835, 99968), (77440, 99187), (81280, 94501), (85184, 90170), (85910, 89408)]