1990516440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{35069}}^1$

素因数の和:35137

約数の個数: 128

約数和(自身を含む): 6666105600

約数和(自身を除く): 4675589160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 43, 44, 55, 60, 66, 86, 88, 110, 120, 129, 132, 165, 172, 215, 220, 258, 264, 330, 344, 430, 440, 473, 516, 645, 660, 860, 946, 1032, 1290, 1320, 1419, 1720, 1892, 2365, 2580, 2838, 3784, 4730, 5160, 5676, 7095, 9460, 11352, 14190, 18920, 28380, 35069, 56760, 70138, 105207, 140276, 175345, 210414, 280552, 350690, 385759, 420828, 526035, 701380, 771518, 841656, 1052070, 1157277, 1402760, 1507967, 1543036, 1928795, 2104140, 2314554, 3015934, 3086072, 3857590, 4208280, 4523901, 4629108, 5786385, 6031868, 7539835, 7715180, 9047802, 9258216, 11572770, 12063736, 15079670, 15430360, 16587637, 18095604, 22619505, 23145540, 30159340, 33175274, 36191208, 45239010, 46291080, 49762911, 60318680, 66350548, 82938185, 90478020, 99525822, 132701096, 165876370, 180956040, 199051644, 248814555, 331752740, 398103288, 497629110, 663505480, 995258220, 1990516440]

約数ペア:

[(1, 1990516440), (2, 995258220), (3, 663505480), (4, 497629110), (5, 398103288), (6, 331752740), (8, 248814555), (10, 199051644), (11, 180956040), (12, 165876370), (15, 132701096), (20, 99525822), (22, 90478020), (24, 82938185), (30, 66350548), (33, 60318680), (40, 49762911), (43, 46291080), (44, 45239010), (55, 36191208), (60, 33175274), (66, 30159340), (86, 23145540), (88, 22619505), (110, 18095604), (120, 16587637), (129, 15430360), (132, 15079670), (165, 12063736), (172, 11572770), (215, 9258216), (220, 9047802), (258, 7715180), (264, 7539835), (330, 6031868), (344, 5786385), (430, 4629108), (440, 4523901), (473, 4208280), (516, 3857590), (645, 3086072), (660, 3015934), (860, 2314554), (946, 2104140), (1032, 1928795), (1290, 1543036), (1320, 1507967), (1419, 1402760), (1720, 1157277), (1892, 1052070), (2365, 841656), (2580, 771518), (2838, 701380), (3784, 526035), (4730, 420828), (5160, 385759), (5676, 350690), (7095, 280552), (9460, 210414), (11352, 175345), (14190, 140276), (18920, 105207), (28380, 70138), (35069, 56760)]