1661137280

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{10259}}^1$

素因数の和:10312

約数の個数: 128

約数和(自身を含む): 4520966400

約数和(自身を除く): 2859829120

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 32, 40, 44, 46, 55, 64, 80, 88, 92, 110, 115, 128, 160, 176, 184, 220, 230, 253, 320, 352, 368, 440, 460, 506, 640, 704, 736, 880, 920, 1012, 1265, 1408, 1472, 1760, 1840, 2024, 2530, 2944, 3520, 3680, 4048, 5060, 7040, 7360, 8096, 10120, 10259, 14720, 16192, 20240, 20518, 32384, 40480, 41036, 51295, 80960, 82072, 102590, 112849, 161920, 164144, 205180, 225698, 235957, 328288, 410360, 451396, 471914, 564245, 656576, 820720, 902792, 943828, 1128490, 1179785, 1313152, 1641440, 1805584, 1887656, 2256980, 2359570, 2595527, 3282880, 3611168, 3775312, 4513960, 4719140, 5191054, 6565760, 7222336, 7550624, 9027920, 9438280, 10382108, 12977635, 14444672, 15101248, 18055840, 18876560, 20764216, 25955270, 30202496, 36111680, 37753120, 41528432, 51910540, 72223360, 75506240, 83056864, 103821080, 151012480, 166113728, 207642160, 332227456, 415284320, 830568640, 1661137280]

約数ペア:

[(1, 1661137280), (2, 830568640), (4, 415284320), (5, 332227456), (8, 207642160), (10, 166113728), (11, 151012480), (16, 103821080), (20, 83056864), (22, 75506240), (23, 72223360), (32, 51910540), (40, 41528432), (44, 37753120), (46, 36111680), (55, 30202496), (64, 25955270), (80, 20764216), (88, 18876560), (92, 18055840), (110, 15101248), (115, 14444672), (128, 12977635), (160, 10382108), (176, 9438280), (184, 9027920), (220, 7550624), (230, 7222336), (253, 6565760), (320, 5191054), (352, 4719140), (368, 4513960), (440, 3775312), (460, 3611168), (506, 3282880), (640, 2595527), (704, 2359570), (736, 2256980), (880, 1887656), (920, 1805584), (1012, 1641440), (1265, 1313152), (1408, 1179785), (1472, 1128490), (1760, 943828), (1840, 902792), (2024, 820720), (2530, 656576), (2944, 564245), (3520, 471914), (3680, 451396), (4048, 410360), (5060, 328288), (7040, 235957), (7360, 225698), (8096, 205180), (10120, 164144), (10259, 161920), (14720, 112849), (16192, 102590), (20240, 82072), (20518, 80960), (32384, 51295), (40480, 41036)]