177121280

素因数分解:

$2^{11}\times 5^1\times 7^2\times {\mathrm{353}}^1$

素因数の和:394

約数の個数: 144

約数和(自身を含む): 495773460

約数和(自身を除く): 318652180

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, 353, 392, 448, 490, 512, 560, 640, 706, 784, 896, 980, 1024, 1120, 1280, 1412, 1568, 1765, 1792, 1960, 2048, 2240, 2471, 2560, 2824, 3136, 3530, 3584, 3920, 4480, 4942, 5120, 5648, 6272, 7060, 7168, 7840, 8960, 9884, 10240, 11296, 12355, 12544, 14120, 14336, 15680, 17297, 17920, 19768, 22592, 24710, 25088, 28240, 31360, 34594, 35840, 39536, 45184, 49420, 50176, 56480, 62720, 69188, 71680, 79072, 86485, 90368, 98840, 100352, 112960, 125440, 138376, 158144, 172970, 180736, 197680, 225920, 250880, 276752, 316288, 345940, 361472, 395360, 451840, 501760, 553504, 632576, 691880, 722944, 790720, 903680, 1107008, 1265152, 1383760, 1581440, 1807360, 2214016, 2530304, 2767520, 3162880, 3614720, 4428032, 5060608, 5535040, 6325760, 8856064, 11070080, 12651520, 17712128, 22140160, 25303040, 35424256, 44280320, 88560640, 177121280]

約数ペア:

[(1, 177121280), (2, 88560640), (4, 44280320), (5, 35424256), (7, 25303040), (8, 22140160), (10, 17712128), (14, 12651520), (16, 11070080), (20, 8856064), (28, 6325760), (32, 5535040), (35, 5060608), (40, 4428032), (49, 3614720), (56, 3162880), (64, 2767520), (70, 2530304), (80, 2214016), (98, 1807360), (112, 1581440), (128, 1383760), (140, 1265152), (160, 1107008), (196, 903680), (224, 790720), (245, 722944), (256, 691880), (280, 632576), (320, 553504), (353, 501760), (392, 451840), (448, 395360), (490, 361472), (512, 345940), (560, 316288), (640, 276752), (706, 250880), (784, 225920), (896, 197680), (980, 180736), (1024, 172970), (1120, 158144), (1280, 138376), (1412, 125440), (1568, 112960), (1765, 100352), (1792, 98840), (1960, 90368), (2048, 86485), (2240, 79072), (2471, 71680), (2560, 69188), (2824, 62720), (3136, 56480), (3530, 50176), (3584, 49420), (3920, 45184), (4480, 39536), (4942, 35840), (5120, 34594), (5648, 31360), (6272, 28240), (7060, 25088), (7168, 24710), (7840, 22592), (8960, 19768), (9884, 17920), (10240, 17297), (11296, 15680), (12355, 14336), (12544, 14120)]