240343040

素因数分解:

$2^{11}\times 5^1\times 7^2\times {\mathrm{479}}^1$

素因数の和:520

約数の個数: 144

約数和(自身を含む): 672235200

約数和(自身を除く): 431892160

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, 448, 479, 490, 512, 560, 640, 784, 896, 958, 980, 1024, 1120, 1280, 1568, 1792, 1916, 1960, 2048, 2240, 2395, 2560, 3136, 3353, 3584, 3832, 3920, 4480, 4790, 5120, 6272, 6706, 7168, 7664, 7840, 8960, 9580, 10240, 12544, 13412, 14336, 15328, 15680, 16765, 17920, 19160, 23471, 25088, 26824, 30656, 31360, 33530, 35840, 38320, 46942, 50176, 53648, 61312, 62720, 67060, 71680, 76640, 93884, 100352, 107296, 117355, 122624, 125440, 134120, 153280, 187768, 214592, 234710, 245248, 250880, 268240, 306560, 375536, 429184, 469420, 490496, 501760, 536480, 613120, 751072, 858368, 938840, 980992, 1072960, 1226240, 1502144, 1716736, 1877680, 2145920, 2452480, 3004288, 3433472, 3755360, 4291840, 4904960, 6008576, 6866944, 7510720, 8583680, 12017152, 15021440, 17167360, 24034304, 30042880, 34334720, 48068608, 60085760, 120171520, 240343040]

約数ペア:

[(1, 240343040), (2, 120171520), (4, 60085760), (5, 48068608), (7, 34334720), (8, 30042880), (10, 24034304), (14, 17167360), (16, 15021440), (20, 12017152), (28, 8583680), (32, 7510720), (35, 6866944), (40, 6008576), (49, 4904960), (56, 4291840), (64, 3755360), (70, 3433472), (80, 3004288), (98, 2452480), (112, 2145920), (128, 1877680), (140, 1716736), (160, 1502144), (196, 1226240), (224, 1072960), (245, 980992), (256, 938840), (280, 858368), (320, 751072), (392, 613120), (448, 536480), (479, 501760), (490, 490496), (512, 469420), (560, 429184), (640, 375536), (784, 306560), (896, 268240), (958, 250880), (980, 245248), (1024, 234710), (1120, 214592), (1280, 187768), (1568, 153280), (1792, 134120), (1916, 125440), (1960, 122624), (2048, 117355), (2240, 107296), (2395, 100352), (2560, 93884), (3136, 76640), (3353, 71680), (3584, 67060), (3832, 62720), (3920, 61312), (4480, 53648), (4790, 50176), (5120, 46942), (6272, 38320), (6706, 35840), (7168, 33530), (7664, 31360), (7840, 30656), (8960, 26824), (9580, 25088), (10240, 23471), (12544, 19160), (13412, 17920), (14336, 16765), (15328, 15680)]