7521280

素因数分解:

$2^{10}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1$

素因数の和:151

約数の個数: 88

約数和(自身を含む): 19602072

約数和(自身を除く): 12080792

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 113, 128, 130, 160, 208, 226, 256, 260, 320, 416, 452, 512, 520, 565, 640, 832, 904, 1024, 1040, 1130, 1280, 1469, 1664, 1808, 2080, 2260, 2560, 2938, 3328, 3616, 4160, 4520, 5120, 5876, 6656, 7232, 7345, 8320, 9040, 11752, 13312, 14464, 14690, 16640, 18080, 23504, 28928, 29380, 33280, 36160, 47008, 57856, 58760, 66560, 72320, 94016, 115712, 117520, 144640, 188032, 235040, 289280, 376064, 470080, 578560, 752128, 940160, 1504256, 1880320, 3760640, 7521280]

約数ペア:

[(1, 7521280), (2, 3760640), (4, 1880320), (5, 1504256), (8, 940160), (10, 752128), (13, 578560), (16, 470080), (20, 376064), (26, 289280), (32, 235040), (40, 188032), (52, 144640), (64, 117520), (65, 115712), (80, 94016), (104, 72320), (113, 66560), (128, 58760), (130, 57856), (160, 47008), (208, 36160), (226, 33280), (256, 29380), (260, 28928), (320, 23504), (416, 18080), (452, 16640), (512, 14690), (520, 14464), (565, 13312), (640, 11752), (832, 9040), (904, 8320), (1024, 7345), (1040, 7232), (1130, 6656), (1280, 5876), (1469, 5120), (1664, 4520), (1808, 4160), (2080, 3616), (2260, 3328), (2560, 2938)]