1028231680

素因数分解:

$2^9\times 5^1\times 7^3\times {\mathrm{1171}}^1$

素因数の和:1215

約数の個数: 160

約数和(自身を含む): 2877494400

約数和(自身を除く): 1849262720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 343, 392, 448, 490, 512, 560, 640, 686, 784, 896, 980, 1120, 1171, 1280, 1372, 1568, 1715, 1792, 1960, 2240, 2342, 2560, 2744, 3136, 3430, 3584, 3920, 4480, 4684, 5488, 5855, 6272, 6860, 7840, 8197, 8960, 9368, 10976, 11710, 12544, 13720, 15680, 16394, 17920, 18736, 21952, 23420, 25088, 27440, 31360, 32788, 37472, 40985, 43904, 46840, 54880, 57379, 62720, 65576, 74944, 81970, 87808, 93680, 109760, 114758, 125440, 131152, 149888, 163940, 175616, 187360, 219520, 229516, 262304, 286895, 299776, 327880, 374720, 401653, 439040, 459032, 524608, 573790, 599552, 655760, 749440, 803306, 878080, 918064, 1049216, 1147580, 1311520, 1498880, 1606612, 1836128, 2008265, 2098432, 2295160, 2623040, 2997760, 3213224, 3672256, 4016530, 4196864, 4590320, 5246080, 6426448, 7344512, 8033060, 9180640, 10492160, 12852896, 14689024, 16066120, 18361280, 20984320, 25705792, 29378048, 32132240, 36722560, 51411584, 64264480, 73445120, 102823168, 128528960, 146890240, 205646336, 257057920, 514115840, 1028231680]

約数ペア:

[(1, 1028231680), (2, 514115840), (4, 257057920), (5, 205646336), (7, 146890240), (8, 128528960), (10, 102823168), (14, 73445120), (16, 64264480), (20, 51411584), (28, 36722560), (32, 32132240), (35, 29378048), (40, 25705792), (49, 20984320), (56, 18361280), (64, 16066120), (70, 14689024), (80, 12852896), (98, 10492160), (112, 9180640), (128, 8033060), (140, 7344512), (160, 6426448), (196, 5246080), (224, 4590320), (245, 4196864), (256, 4016530), (280, 3672256), (320, 3213224), (343, 2997760), (392, 2623040), (448, 2295160), (490, 2098432), (512, 2008265), (560, 1836128), (640, 1606612), (686, 1498880), (784, 1311520), (896, 1147580), (980, 1049216), (1120, 918064), (1171, 878080), (1280, 803306), (1372, 749440), (1568, 655760), (1715, 599552), (1792, 573790), (1960, 524608), (2240, 459032), (2342, 439040), (2560, 401653), (2744, 374720), (3136, 327880), (3430, 299776), (3584, 286895), (3920, 262304), (4480, 229516), (4684, 219520), (5488, 187360), (5855, 175616), (6272, 163940), (6860, 149888), (7840, 131152), (8197, 125440), (8960, 114758), (9368, 109760), (10976, 93680), (11710, 87808), (12544, 81970), (13720, 74944), (15680, 65576), (16394, 62720), (17920, 57379), (18736, 54880), (21952, 46840), (23420, 43904), (25088, 40985), (27440, 37472), (31360, 32788)]