1552802560

素因数分解:

$2^8\times 5^1\times {\mathrm{613}}^1\times {\mathrm{1979}}^1$

素因数の和:2613

約数の個数: 72

約数和(自身を含む): 3727397520

約数和(自身を除く): 2174594960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 613, 640, 1226, 1280, 1979, 2452, 3065, 3958, 4904, 6130, 7916, 9808, 9895, 12260, 15832, 19616, 19790, 24520, 31664, 39232, 39580, 49040, 63328, 78464, 79160, 98080, 126656, 156928, 158320, 196160, 253312, 316640, 392320, 506624, 633280, 784640, 1213127, 1266560, 2426254, 2533120, 4852508, 6065635, 9705016, 12131270, 19410032, 24262540, 38820064, 48525080, 77640128, 97050160, 155280256, 194100320, 310560512, 388200640, 776401280, 1552802560]

約数ペア:

[(1, 1552802560), (2, 776401280), (4, 388200640), (5, 310560512), (8, 194100320), (10, 155280256), (16, 97050160), (20, 77640128), (32, 48525080), (40, 38820064), (64, 24262540), (80, 19410032), (128, 12131270), (160, 9705016), (256, 6065635), (320, 4852508), (613, 2533120), (640, 2426254), (1226, 1266560), (1280, 1213127), (1979, 784640), (2452, 633280), (3065, 506624), (3958, 392320), (4904, 316640), (6130, 253312), (7916, 196160), (9808, 158320), (9895, 156928), (12260, 126656), (15832, 98080), (19616, 79160), (19790, 78464), (24520, 63328), (31664, 49040), (39232, 39580)]