661422080

素因数分解:

$2^{15}\times 5^1\times {\mathrm{11}}^1\times {\mathrm{367}}^1$

素因数の和:413

約数の個数: 128

約数和(自身を含む): 1736415360

約数和(自身を除く): 1074993280

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 367, 440, 512, 640, 704, 734, 880, 1024, 1280, 1408, 1468, 1760, 1835, 2048, 2560, 2816, 2936, 3520, 3670, 4037, 4096, 5120, 5632, 5872, 7040, 7340, 8074, 8192, 10240, 11264, 11744, 14080, 14680, 16148, 16384, 20185, 20480, 22528, 23488, 28160, 29360, 32296, 32768, 40370, 40960, 45056, 46976, 56320, 58720, 64592, 80740, 81920, 90112, 93952, 112640, 117440, 129184, 161480, 163840, 180224, 187904, 225280, 234880, 258368, 322960, 360448, 375808, 450560, 469760, 516736, 645920, 751616, 901120, 939520, 1033472, 1291840, 1503232, 1802240, 1879040, 2066944, 2583680, 3006464, 3758080, 4133888, 5167360, 6012928, 7516160, 8267776, 10334720, 12025856, 15032320, 16535552, 20669440, 30064640, 33071104, 41338880, 60129280, 66142208, 82677760, 132284416, 165355520, 330711040, 661422080]

約数ペア:

[(1, 661422080), (2, 330711040), (4, 165355520), (5, 132284416), (8, 82677760), (10, 66142208), (11, 60129280), (16, 41338880), (20, 33071104), (22, 30064640), (32, 20669440), (40, 16535552), (44, 15032320), (55, 12025856), (64, 10334720), (80, 8267776), (88, 7516160), (110, 6012928), (128, 5167360), (160, 4133888), (176, 3758080), (220, 3006464), (256, 2583680), (320, 2066944), (352, 1879040), (367, 1802240), (440, 1503232), (512, 1291840), (640, 1033472), (704, 939520), (734, 901120), (880, 751616), (1024, 645920), (1280, 516736), (1408, 469760), (1468, 450560), (1760, 375808), (1835, 360448), (2048, 322960), (2560, 258368), (2816, 234880), (2936, 225280), (3520, 187904), (3670, 180224), (4037, 163840), (4096, 161480), (5120, 129184), (5632, 117440), (5872, 112640), (7040, 93952), (7340, 90112), (8074, 81920), (8192, 80740), (10240, 64592), (11264, 58720), (11744, 56320), (14080, 46976), (14680, 45056), (16148, 40960), (16384, 40370), (20185, 32768), (20480, 32296), (22528, 29360), (23488, 28160)]