678645440

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{1031}}^1$

素因数の和:1087

約数の個数: 168

約数和(自身を含む): 1882603296

約数和(自身を除く): 1203957856

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 55, 64, 68, 80, 85, 88, 110, 121, 136, 160, 170, 176, 187, 220, 242, 272, 320, 340, 352, 374, 440, 484, 544, 605, 680, 704, 748, 880, 935, 968, 1031, 1088, 1210, 1360, 1496, 1760, 1870, 1936, 2057, 2062, 2420, 2720, 2992, 3520, 3740, 3872, 4114, 4124, 4840, 5155, 5440, 5984, 7480, 7744, 8228, 8248, 9680, 10285, 10310, 11341, 11968, 14960, 16456, 16496, 17527, 19360, 20570, 20620, 22682, 29920, 32912, 32992, 35054, 38720, 41140, 41240, 45364, 56705, 59840, 65824, 65984, 70108, 82280, 82480, 87635, 90728, 113410, 124751, 131648, 140216, 164560, 164960, 175270, 181456, 192797, 226820, 249502, 280432, 329120, 329920, 350540, 362912, 385594, 453640, 499004, 560864, 623755, 658240, 701080, 725824, 771188, 907280, 963985, 998008, 1121728, 1247510, 1402160, 1542376, 1814560, 1927970, 1996016, 2120767, 2495020, 2804320, 3084752, 3629120, 3855940, 3992032, 4241534, 4990040, 5608640, 6169504, 7711880, 7984064, 8483068, 9980080, 10603835, 12339008, 15423760, 16966136, 19960160, 21207670, 30847520, 33932272, 39920320, 42415340, 61695040, 67864544, 84830680, 135729088, 169661360, 339322720, 678645440]

約数ペア:

[(1, 678645440), (2, 339322720), (4, 169661360), (5, 135729088), (8, 84830680), (10, 67864544), (11, 61695040), (16, 42415340), (17, 39920320), (20, 33932272), (22, 30847520), (32, 21207670), (34, 19960160), (40, 16966136), (44, 15423760), (55, 12339008), (64, 10603835), (68, 9980080), (80, 8483068), (85, 7984064), (88, 7711880), (110, 6169504), (121, 5608640), (136, 4990040), (160, 4241534), (170, 3992032), (176, 3855940), (187, 3629120), (220, 3084752), (242, 2804320), (272, 2495020), (320, 2120767), (340, 1996016), (352, 1927970), (374, 1814560), (440, 1542376), (484, 1402160), (544, 1247510), (605, 1121728), (680, 998008), (704, 963985), (748, 907280), (880, 771188), (935, 725824), (968, 701080), (1031, 658240), (1088, 623755), (1210, 560864), (1360, 499004), (1496, 453640), (1760, 385594), (1870, 362912), (1936, 350540), (2057, 329920), (2062, 329120), (2420, 280432), (2720, 249502), (2992, 226820), (3520, 192797), (3740, 181456), (3872, 175270), (4114, 164960), (4124, 164560), (4840, 140216), (5155, 131648), (5440, 124751), (5984, 113410), (7480, 90728), (7744, 87635), (8228, 82480), (8248, 82280), (9680, 70108), (10285, 65984), (10310, 65824), (11341, 59840), (11968, 56705), (14960, 45364), (16456, 41240), (16496, 41140), (17527, 38720), (19360, 35054), (20570, 32992), (20620, 32912), (22682, 29920)]