71536520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:283

約数の個数: 128

約数和(自身を含む): 190080000

約数和(自身を除く): 118543480

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 43, 44, 55, 76, 86, 88, 95, 110, 152, 172, 190, 199, 209, 215, 220, 344, 380, 398, 418, 430, 440, 473, 760, 796, 817, 836, 860, 946, 995, 1045, 1592, 1634, 1672, 1720, 1892, 1990, 2090, 2189, 2365, 3268, 3781, 3784, 3980, 4085, 4180, 4378, 4730, 6536, 7562, 7960, 8170, 8360, 8557, 8756, 8987, 9460, 10945, 15124, 16340, 17114, 17512, 17974, 18905, 18920, 21890, 30248, 32680, 34228, 35948, 37810, 41591, 42785, 43780, 44935, 68456, 71896, 75620, 83182, 85570, 87560, 89870, 94127, 151240, 162583, 166364, 171140, 179740, 188254, 207955, 325166, 332728, 342280, 359480, 376508, 415910, 470635, 650332, 753016, 812915, 831820, 941270, 1300664, 1625830, 1663640, 1788413, 1882540, 3251660, 3576826, 3765080, 6503320, 7153652, 8942065, 14307304, 17884130, 35768260, 71536520]

約数ペア:

[(1, 71536520), (2, 35768260), (4, 17884130), (5, 14307304), (8, 8942065), (10, 7153652), (11, 6503320), (19, 3765080), (20, 3576826), (22, 3251660), (38, 1882540), (40, 1788413), (43, 1663640), (44, 1625830), (55, 1300664), (76, 941270), (86, 831820), (88, 812915), (95, 753016), (110, 650332), (152, 470635), (172, 415910), (190, 376508), (199, 359480), (209, 342280), (215, 332728), (220, 325166), (344, 207955), (380, 188254), (398, 179740), (418, 171140), (430, 166364), (440, 162583), (473, 151240), (760, 94127), (796, 89870), (817, 87560), (836, 85570), (860, 83182), (946, 75620), (995, 71896), (1045, 68456), (1592, 44935), (1634, 43780), (1672, 42785), (1720, 41591), (1892, 37810), (1990, 35948), (2090, 34228), (2189, 32680), (2365, 30248), (3268, 21890), (3781, 18920), (3784, 18905), (3980, 17974), (4085, 17512), (4180, 17114), (4378, 16340), (4730, 15124), (6536, 10945), (7562, 9460), (7960, 8987), (8170, 8756), (8360, 8557)]