68768000

素因数分解:

$2^8\times 5^3\times 7^1\times {\mathrm{307}}^1$

素因数の和:345

約数の個数: 144

約数和(自身を含む): 196420224

約数和(自身を除く): 127652224

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 125, 128, 140, 160, 175, 200, 224, 250, 256, 280, 307, 320, 350, 400, 448, 500, 560, 614, 640, 700, 800, 875, 896, 1000, 1120, 1228, 1280, 1400, 1535, 1600, 1750, 1792, 2000, 2149, 2240, 2456, 2800, 3070, 3200, 3500, 4000, 4298, 4480, 4912, 5600, 6140, 6400, 7000, 7675, 8000, 8596, 8960, 9824, 10745, 11200, 12280, 14000, 15350, 16000, 17192, 19648, 21490, 22400, 24560, 28000, 30700, 32000, 34384, 38375, 39296, 42980, 44800, 49120, 53725, 56000, 61400, 68768, 76750, 78592, 85960, 98240, 107450, 112000, 122800, 137536, 153500, 171920, 196480, 214900, 224000, 245600, 268625, 275072, 307000, 343840, 392960, 429800, 491200, 537250, 550144, 614000, 687680, 859600, 982400, 1074500, 1228000, 1375360, 1719200, 1964800, 2149000, 2456000, 2750720, 3438400, 4298000, 4912000, 6876800, 8596000, 9824000, 13753600, 17192000, 34384000, 68768000]

約数ペア:

[(1, 68768000), (2, 34384000), (4, 17192000), (5, 13753600), (7, 9824000), (8, 8596000), (10, 6876800), (14, 4912000), (16, 4298000), (20, 3438400), (25, 2750720), (28, 2456000), (32, 2149000), (35, 1964800), (40, 1719200), (50, 1375360), (56, 1228000), (64, 1074500), (70, 982400), (80, 859600), (100, 687680), (112, 614000), (125, 550144), (128, 537250), (140, 491200), (160, 429800), (175, 392960), (200, 343840), (224, 307000), (250, 275072), (256, 268625), (280, 245600), (307, 224000), (320, 214900), (350, 196480), (400, 171920), (448, 153500), (500, 137536), (560, 122800), (614, 112000), (640, 107450), (700, 98240), (800, 85960), (875, 78592), (896, 76750), (1000, 68768), (1120, 61400), (1228, 56000), (1280, 53725), (1400, 49120), (1535, 44800), (1600, 42980), (1750, 39296), (1792, 38375), (2000, 34384), (2149, 32000), (2240, 30700), (2456, 28000), (2800, 24560), (3070, 22400), (3200, 21490), (3500, 19648), (4000, 17192), (4298, 16000), (4480, 15350), (4912, 14000), (5600, 12280), (6140, 11200), (6400, 10745), (7000, 9824), (7675, 8960), (8000, 8596)]