216258560

素因数分解:

$2^{11}\times 5^1\times 7^2\times {\mathrm{431}}^1$

素因数の和:472

約数の個数: 144

約数和(自身を含む): 605011680

約数和(自身を除く): 388753120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 392, 431, 448, 490, 512, 560, 640, 784, 862, 896, 980, 1024, 1120, 1280, 1568, 1724, 1792, 1960, 2048, 2155, 2240, 2560, 3017, 3136, 3448, 3584, 3920, 4310, 4480, 5120, 6034, 6272, 6896, 7168, 7840, 8620, 8960, 10240, 12068, 12544, 13792, 14336, 15085, 15680, 17240, 17920, 21119, 24136, 25088, 27584, 30170, 31360, 34480, 35840, 42238, 48272, 50176, 55168, 60340, 62720, 68960, 71680, 84476, 96544, 100352, 105595, 110336, 120680, 125440, 137920, 168952, 193088, 211190, 220672, 241360, 250880, 275840, 337904, 386176, 422380, 441344, 482720, 501760, 551680, 675808, 772352, 844760, 882688, 965440, 1103360, 1351616, 1544704, 1689520, 1930880, 2206720, 2703232, 3089408, 3379040, 3861760, 4413440, 5406464, 6178816, 6758080, 7723520, 10812928, 13516160, 15447040, 21625856, 27032320, 30894080, 43251712, 54064640, 108129280, 216258560]

約数ペア:

[(1, 216258560), (2, 108129280), (4, 54064640), (5, 43251712), (7, 30894080), (8, 27032320), (10, 21625856), (14, 15447040), (16, 13516160), (20, 10812928), (28, 7723520), (32, 6758080), (35, 6178816), (40, 5406464), (49, 4413440), (56, 3861760), (64, 3379040), (70, 3089408), (80, 2703232), (98, 2206720), (112, 1930880), (128, 1689520), (140, 1544704), (160, 1351616), (196, 1103360), (224, 965440), (245, 882688), (256, 844760), (280, 772352), (320, 675808), (392, 551680), (431, 501760), (448, 482720), (490, 441344), (512, 422380), (560, 386176), (640, 337904), (784, 275840), (862, 250880), (896, 241360), (980, 220672), (1024, 211190), (1120, 193088), (1280, 168952), (1568, 137920), (1724, 125440), (1792, 120680), (1960, 110336), (2048, 105595), (2155, 100352), (2240, 96544), (2560, 84476), (3017, 71680), (3136, 68960), (3448, 62720), (3584, 60340), (3920, 55168), (4310, 50176), (4480, 48272), (5120, 42238), (6034, 35840), (6272, 34480), (6896, 31360), (7168, 30170), (7840, 27584), (8620, 25088), (8960, 24136), (10240, 21119), (12068, 17920), (12544, 17240), (13792, 15680), (14336, 15085)]