212840320

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{617}}^1$

素因数の和:661

約数の個数: 192

約数和(自身を含む): 646749360

約数和(自身を除く): 433909040

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 49, 55, 56, 64, 70, 77, 80, 88, 98, 110, 112, 128, 140, 154, 160, 176, 196, 220, 224, 245, 280, 308, 320, 352, 385, 392, 440, 448, 490, 539, 560, 616, 617, 640, 704, 770, 784, 880, 896, 980, 1078, 1120, 1232, 1234, 1408, 1540, 1568, 1760, 1960, 2156, 2240, 2464, 2468, 2695, 3080, 3085, 3136, 3520, 3920, 4312, 4319, 4480, 4928, 4936, 5390, 6160, 6170, 6272, 6787, 7040, 7840, 8624, 8638, 9856, 9872, 10780, 12320, 12340, 13574, 15680, 17248, 17276, 19744, 21560, 21595, 24640, 24680, 27148, 30233, 31360, 33935, 34496, 34552, 39488, 43120, 43190, 47509, 49280, 49360, 54296, 60466, 67870, 68992, 69104, 78976, 86240, 86380, 95018, 98720, 108592, 120932, 135740, 138208, 151165, 172480, 172760, 190036, 197440, 217184, 237545, 241864, 271480, 276416, 302330, 332563, 344960, 345520, 380072, 394880, 434368, 475090, 483728, 542960, 552832, 604660, 665126, 691040, 760144, 868736, 950180, 967456, 1085920, 1209320, 1330252, 1382080, 1520288, 1662815, 1900360, 1934912, 2171840, 2418640, 2660504, 2764160, 3040576, 3325630, 3800720, 3869824, 4343680, 4837280, 5321008, 6081152, 6651260, 7601440, 9674560, 10642016, 13302520, 15202880, 19349120, 21284032, 26605040, 30405760, 42568064, 53210080, 106420160, 212840320]

約数ペア:

[(1, 212840320), (2, 106420160), (4, 53210080), (5, 42568064), (7, 30405760), (8, 26605040), (10, 21284032), (11, 19349120), (14, 15202880), (16, 13302520), (20, 10642016), (22, 9674560), (28, 7601440), (32, 6651260), (35, 6081152), (40, 5321008), (44, 4837280), (49, 4343680), (55, 3869824), (56, 3800720), (64, 3325630), (70, 3040576), (77, 2764160), (80, 2660504), (88, 2418640), (98, 2171840), (110, 1934912), (112, 1900360), (128, 1662815), (140, 1520288), (154, 1382080), (160, 1330252), (176, 1209320), (196, 1085920), (220, 967456), (224, 950180), (245, 868736), (280, 760144), (308, 691040), (320, 665126), (352, 604660), (385, 552832), (392, 542960), (440, 483728), (448, 475090), (490, 434368), (539, 394880), (560, 380072), (616, 345520), (617, 344960), (640, 332563), (704, 302330), (770, 276416), (784, 271480), (880, 241864), (896, 237545), (980, 217184), (1078, 197440), (1120, 190036), (1232, 172760), (1234, 172480), (1408, 151165), (1540, 138208), (1568, 135740), (1760, 120932), (1960, 108592), (2156, 98720), (2240, 95018), (2464, 86380), (2468, 86240), (2695, 78976), (3080, 69104), (3085, 68992), (3136, 67870), (3520, 60466), (3920, 54296), (4312, 49360), (4319, 49280), (4480, 47509), (4928, 43190), (4936, 43120), (5390, 39488), (6160, 34552), (6170, 34496), (6272, 33935), (6787, 31360), (7040, 30233), (7840, 27148), (8624, 24680), (8638, 24640), (9856, 21595), (9872, 21560), (10780, 19744), (12320, 17276), (12340, 17248), (13574, 15680)]