121841440

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{15541}}^1$

素因数の和:15570

約数の個数: 72

約数和(自身を含む): 334867932

約数和(自身を除く): 213026492

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 15541, 31082, 62164, 77705, 108787, 124328, 155410, 217574, 248656, 310820, 435148, 497312, 543935, 621640, 761509, 870296, 1087870, 1243280, 1523018, 1740592, 2175740, 2486560, 3046036, 3481184, 3807545, 4351480, 6092072, 7615090, 8702960, 12184144, 15230180, 17405920, 24368288, 30460360, 60920720, 121841440]

約数ペア:

[(1, 121841440), (2, 60920720), (4, 30460360), (5, 24368288), (7, 17405920), (8, 15230180), (10, 12184144), (14, 8702960), (16, 7615090), (20, 6092072), (28, 4351480), (32, 3807545), (35, 3481184), (40, 3046036), (49, 2486560), (56, 2175740), (70, 1740592), (80, 1523018), (98, 1243280), (112, 1087870), (140, 870296), (160, 761509), (196, 621640), (224, 543935), (245, 497312), (280, 435148), (392, 310820), (490, 248656), (560, 217574), (784, 155410), (980, 124328), (1120, 108787), (1568, 77705), (1960, 62164), (3920, 31082), (7840, 15541)]