72071680

素因数分解:

$2^9\times 5^1\times {\mathrm{47}}^1\times {\mathrm{599}}^1$

素因数の和:669

約数の個数: 80

約数和(自身を含む): 176774400

約数和(自身を除く): 104702720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 64, 80, 94, 128, 160, 188, 235, 256, 320, 376, 470, 512, 599, 640, 752, 940, 1198, 1280, 1504, 1880, 2396, 2560, 2995, 3008, 3760, 4792, 5990, 6016, 7520, 9584, 11980, 12032, 15040, 19168, 23960, 24064, 28153, 30080, 38336, 47920, 56306, 60160, 76672, 95840, 112612, 120320, 140765, 153344, 191680, 225224, 281530, 306688, 383360, 450448, 563060, 766720, 900896, 1126120, 1533440, 1801792, 2252240, 3603584, 4504480, 7207168, 9008960, 14414336, 18017920, 36035840, 72071680]

約数ペア:

[(1, 72071680), (2, 36035840), (4, 18017920), (5, 14414336), (8, 9008960), (10, 7207168), (16, 4504480), (20, 3603584), (32, 2252240), (40, 1801792), (47, 1533440), (64, 1126120), (80, 900896), (94, 766720), (128, 563060), (160, 450448), (188, 383360), (235, 306688), (256, 281530), (320, 225224), (376, 191680), (470, 153344), (512, 140765), (599, 120320), (640, 112612), (752, 95840), (940, 76672), (1198, 60160), (1280, 56306), (1504, 47920), (1880, 38336), (2396, 30080), (2560, 28153), (2995, 24064), (3008, 23960), (3760, 19168), (4792, 15040), (5990, 12032), (6016, 11980), (7520, 9584)]