1555147764440

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{12734587}}^1$

素因数の和:12734712

約数の個数: 64

約数和(自身を含む): 3630885730560

約数和(自身を除く): 2075737966120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 71, 86, 142, 172, 215, 284, 344, 355, 430, 568, 710, 860, 1420, 1720, 2840, 3053, 6106, 12212, 15265, 24424, 30530, 61060, 122120, 12734587, 25469174, 50938348, 63672935, 101876696, 127345870, 254691740, 509383480, 547587241, 904155677, 1095174482, 1808311354, 2190348964, 2737936205, 3616622708, 4380697928, 4520778385, 5475872410, 7233245416, 9041556770, 10951744820, 18083113540, 21903489640, 36166227080, 38878694111, 77757388222, 155514776444, 194393470555, 311029552888, 388786941110, 777573882220, 1555147764440]

約数ペア:

[(1, 1555147764440), (2, 777573882220), (4, 388786941110), (5, 311029552888), (8, 194393470555), (10, 155514776444), (20, 77757388222), (40, 38878694111), (43, 36166227080), (71, 21903489640), (86, 18083113540), (142, 10951744820), (172, 9041556770), (215, 7233245416), (284, 5475872410), (344, 4520778385), (355, 4380697928), (430, 3616622708), (568, 2737936205), (710, 2190348964), (860, 1808311354), (1420, 1095174482), (1720, 904155677), (2840, 547587241), (3053, 509383480), (6106, 254691740), (12212, 127345870), (15265, 101876696), (24424, 63672935), (30530, 50938348), (61060, 25469174), (122120, 12734587)]