209250720

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{20759}}^1$

素因数の和:20787

約数の個数: 144

約数和(自身を含む): 816117120

約数和(自身を除く): 606866400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 20759, 41518, 62277, 83036, 103795, 124554, 145313, 166072, 186831, 207590, 249108, 290626, 311385, 332144, 373662, 415180, 435939, 498216, 581252, 622770, 664288, 726565, 747324, 830360, 871878, 934155, 996432, 1162504, 1245540, 1307817, 1453130, 1494648, 1660720, 1743756, 1868310, 1992864, 2179695, 2325008, 2491080, 2615634, 2906260, 2989296, 3321440, 3487512, 3736620, 4359390, 4650016, 4982160, 5231268, 5812520, 5978592, 6539085, 6975024, 7473240, 8718780, 9964320, 10462536, 11625040, 13078170, 13950048, 14946480, 17437560, 20925072, 23250080, 26156340, 29892960, 34875120, 41850144, 52312680, 69750240, 104625360, 209250720]

約数ペア:

[(1, 209250720), (2, 104625360), (3, 69750240), (4, 52312680), (5, 41850144), (6, 34875120), (7, 29892960), (8, 26156340), (9, 23250080), (10, 20925072), (12, 17437560), (14, 14946480), (15, 13950048), (16, 13078170), (18, 11625040), (20, 10462536), (21, 9964320), (24, 8718780), (28, 7473240), (30, 6975024), (32, 6539085), (35, 5978592), (36, 5812520), (40, 5231268), (42, 4982160), (45, 4650016), (48, 4359390), (56, 3736620), (60, 3487512), (63, 3321440), (70, 2989296), (72, 2906260), (80, 2615634), (84, 2491080), (90, 2325008), (96, 2179695), (105, 1992864), (112, 1868310), (120, 1743756), (126, 1660720), (140, 1494648), (144, 1453130), (160, 1307817), (168, 1245540), (180, 1162504), (210, 996432), (224, 934155), (240, 871878), (252, 830360), (280, 747324), (288, 726565), (315, 664288), (336, 622770), (360, 581252), (420, 498216), (480, 435939), (504, 415180), (560, 373662), (630, 332144), (672, 311385), (720, 290626), (840, 249108), (1008, 207590), (1120, 186831), (1260, 166072), (1440, 145313), (1680, 124554), (2016, 103795), (2520, 83036), (3360, 62277), (5040, 41518), (10080, 20759)]