74327680

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{353}}^1$

素因数の和:426

約数の個数: 128

約数和(自身を含む): 207982080

約数和(自身を除く): 133654400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 47, 56, 64, 70, 80, 94, 112, 128, 140, 160, 188, 224, 235, 280, 320, 329, 353, 376, 448, 470, 560, 640, 658, 706, 752, 896, 940, 1120, 1316, 1412, 1504, 1645, 1765, 1880, 2240, 2471, 2632, 2824, 3008, 3290, 3530, 3760, 4480, 4942, 5264, 5648, 6016, 6580, 7060, 7520, 9884, 10528, 11296, 12355, 13160, 14120, 15040, 16591, 19768, 21056, 22592, 24710, 26320, 28240, 30080, 33182, 39536, 42112, 45184, 49420, 52640, 56480, 66364, 79072, 82955, 98840, 105280, 112960, 116137, 132728, 158144, 165910, 197680, 210560, 225920, 232274, 265456, 316288, 331820, 395360, 464548, 530912, 580685, 663640, 790720, 929096, 1061824, 1161370, 1327280, 1581440, 1858192, 2123648, 2322740, 2654560, 3716384, 4645480, 5309120, 7432768, 9290960, 10618240, 14865536, 18581920, 37163840, 74327680]

約数ペア:

[(1, 74327680), (2, 37163840), (4, 18581920), (5, 14865536), (7, 10618240), (8, 9290960), (10, 7432768), (14, 5309120), (16, 4645480), (20, 3716384), (28, 2654560), (32, 2322740), (35, 2123648), (40, 1858192), (47, 1581440), (56, 1327280), (64, 1161370), (70, 1061824), (80, 929096), (94, 790720), (112, 663640), (128, 580685), (140, 530912), (160, 464548), (188, 395360), (224, 331820), (235, 316288), (280, 265456), (320, 232274), (329, 225920), (353, 210560), (376, 197680), (448, 165910), (470, 158144), (560, 132728), (640, 116137), (658, 112960), (706, 105280), (752, 98840), (896, 82955), (940, 79072), (1120, 66364), (1316, 56480), (1412, 52640), (1504, 49420), (1645, 45184), (1765, 42112), (1880, 39536), (2240, 33182), (2471, 30080), (2632, 28240), (2824, 26320), (3008, 24710), (3290, 22592), (3530, 21056), (3760, 19768), (4480, 16591), (4942, 15040), (5264, 14120), (5648, 13160), (6016, 12355), (6580, 11296), (7060, 10528), (7520, 9884)]