121358720

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{263}}^1$

素因数の和:392

約数の個数: 128

約数和(自身を含む): 336061440

約数和(自身を除く): 214702720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 103, 112, 128, 140, 160, 206, 224, 263, 280, 320, 412, 448, 515, 526, 560, 640, 721, 824, 896, 1030, 1052, 1120, 1315, 1442, 1648, 1841, 2060, 2104, 2240, 2630, 2884, 3296, 3605, 3682, 4120, 4208, 4480, 5260, 5768, 6592, 7210, 7364, 8240, 8416, 9205, 10520, 11536, 13184, 14420, 14728, 16480, 16832, 18410, 21040, 23072, 27089, 28840, 29456, 32960, 33664, 36820, 42080, 46144, 54178, 57680, 58912, 65920, 73640, 84160, 92288, 108356, 115360, 117824, 135445, 147280, 168320, 189623, 216712, 230720, 235648, 270890, 294560, 379246, 433424, 461440, 541780, 589120, 758492, 866848, 948115, 1083560, 1178240, 1516984, 1733696, 1896230, 2167120, 3033968, 3467392, 3792460, 4334240, 6067936, 7584920, 8668480, 12135872, 15169840, 17336960, 24271744, 30339680, 60679360, 121358720]

約数ペア:

[(1, 121358720), (2, 60679360), (4, 30339680), (5, 24271744), (7, 17336960), (8, 15169840), (10, 12135872), (14, 8668480), (16, 7584920), (20, 6067936), (28, 4334240), (32, 3792460), (35, 3467392), (40, 3033968), (56, 2167120), (64, 1896230), (70, 1733696), (80, 1516984), (103, 1178240), (112, 1083560), (128, 948115), (140, 866848), (160, 758492), (206, 589120), (224, 541780), (263, 461440), (280, 433424), (320, 379246), (412, 294560), (448, 270890), (515, 235648), (526, 230720), (560, 216712), (640, 189623), (721, 168320), (824, 147280), (896, 135445), (1030, 117824), (1052, 115360), (1120, 108356), (1315, 92288), (1442, 84160), (1648, 73640), (1841, 65920), (2060, 58912), (2104, 57680), (2240, 54178), (2630, 46144), (2884, 42080), (3296, 36820), (3605, 33664), (3682, 32960), (4120, 29456), (4208, 28840), (4480, 27089), (5260, 23072), (5768, 21040), (6592, 18410), (7210, 16832), (7364, 16480), (8240, 14728), (8416, 14420), (9205, 13184), (10520, 11536)]