280571760

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{311}}^1$

素因数の和:516

約数の個数: 240

約数和(自身を含む): 1086359040

約数和(自身を除く): 805787280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 179, 180, 210, 240, 252, 280, 311, 315, 336, 358, 360, 420, 504, 537, 560, 622, 630, 716, 720, 840, 895, 933, 1008, 1074, 1244, 1253, 1260, 1432, 1555, 1611, 1680, 1790, 1866, 2148, 2177, 2488, 2506, 2520, 2685, 2799, 2864, 3110, 3222, 3580, 3732, 3759, 4296, 4354, 4665, 4976, 5012, 5040, 5370, 5598, 6220, 6265, 6444, 6531, 7160, 7464, 7518, 8055, 8592, 8708, 9330, 10024, 10740, 10885, 11196, 11277, 12440, 12530, 12888, 13062, 13995, 14320, 14928, 15036, 16110, 17416, 18660, 18795, 19593, 20048, 21480, 21770, 22392, 22554, 24880, 25060, 25776, 26124, 27990, 30072, 32220, 32655, 34832, 37320, 37590, 39186, 42960, 43540, 44784, 45108, 50120, 52248, 55669, 55980, 56385, 60144, 64440, 65310, 74640, 75180, 78372, 87080, 90216, 97965, 100240, 104496, 111338, 111960, 112770, 128880, 130620, 150360, 156744, 167007, 174160, 180432, 195930, 222676, 223920, 225540, 261240, 278345, 300720, 313488, 334014, 389683, 391860, 445352, 451080, 501021, 522480, 556690, 668028, 779366, 783720, 835035, 890704, 902160, 1002042, 1113380, 1169049, 1336056, 1558732, 1567440, 1670070, 1948415, 2004084, 2226760, 2338098, 2505105, 2672112, 3117464, 3340140, 3507147, 3896830, 4008168, 4453520, 4676196, 5010210, 5845245, 6234928, 6680280, 7014294, 7793660, 8016336, 9352392, 10020420, 11690490, 13360560, 14028588, 15587320, 17535735, 18704784, 20040840, 23380980, 28057176, 31174640, 35071470, 40081680, 46761960, 56114352, 70142940, 93523920, 140285880, 280571760]

約数ペア:

[(1, 280571760), (2, 140285880), (3, 93523920), (4, 70142940), (5, 56114352), (6, 46761960), (7, 40081680), (8, 35071470), (9, 31174640), (10, 28057176), (12, 23380980), (14, 20040840), (15, 18704784), (16, 17535735), (18, 15587320), (20, 14028588), (21, 13360560), (24, 11690490), (28, 10020420), (30, 9352392), (35, 8016336), (36, 7793660), (40, 7014294), (42, 6680280), (45, 6234928), (48, 5845245), (56, 5010210), (60, 4676196), (63, 4453520), (70, 4008168), (72, 3896830), (80, 3507147), (84, 3340140), (90, 3117464), (105, 2672112), (112, 2505105), (120, 2338098), (126, 2226760), (140, 2004084), (144, 1948415), (168, 1670070), (179, 1567440), (180, 1558732), (210, 1336056), (240, 1169049), (252, 1113380), (280, 1002042), (311, 902160), (315, 890704), (336, 835035), (358, 783720), (360, 779366), (420, 668028), (504, 556690), (537, 522480), (560, 501021), (622, 451080), (630, 445352), (716, 391860), (720, 389683), (840, 334014), (895, 313488), (933, 300720), (1008, 278345), (1074, 261240), (1244, 225540), (1253, 223920), (1260, 222676), (1432, 195930), (1555, 180432), (1611, 174160), (1680, 167007), (1790, 156744), (1866, 150360), (2148, 130620), (2177, 128880), (2488, 112770), (2506, 111960), (2520, 111338), (2685, 104496), (2799, 100240), (2864, 97965), (3110, 90216), (3222, 87080), (3580, 78372), (3732, 75180), (3759, 74640), (4296, 65310), (4354, 64440), (4665, 60144), (4976, 56385), (5012, 55980), (5040, 55669), (5370, 52248), (5598, 50120), (6220, 45108), (6265, 44784), (6444, 43540), (6531, 42960), (7160, 39186), (7464, 37590), (7518, 37320), (8055, 34832), (8592, 32655), (8708, 32220), (9330, 30072), (10024, 27990), (10740, 26124), (10885, 25776), (11196, 25060), (11277, 24880), (12440, 22554), (12530, 22392), (12888, 21770), (13062, 21480), (13995, 20048), (14320, 19593), (14928, 18795), (15036, 18660), (16110, 17416)]