2008222720

素因数分解:

$2^{10}\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{409}}^1$

素因数の和:578

約数の個数: 176

約数和(自身を含む): 5559324480

約数和(自身を除く): 3551101760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 137, 140, 160, 224, 256, 274, 280, 320, 409, 448, 512, 548, 560, 640, 685, 818, 896, 959, 1024, 1096, 1120, 1280, 1370, 1636, 1792, 1918, 2045, 2192, 2240, 2560, 2740, 2863, 3272, 3584, 3836, 4090, 4384, 4480, 4795, 5120, 5480, 5726, 6544, 7168, 7672, 8180, 8768, 8960, 9590, 10960, 11452, 13088, 14315, 15344, 16360, 17536, 17920, 19180, 21920, 22904, 26176, 28630, 30688, 32720, 35072, 35840, 38360, 43840, 45808, 52352, 56033, 57260, 61376, 65440, 70144, 76720, 87680, 91616, 104704, 112066, 114520, 122752, 130880, 140288, 153440, 175360, 183232, 209408, 224132, 229040, 245504, 261760, 280165, 306880, 350720, 366464, 392231, 418816, 448264, 458080, 491008, 523520, 560330, 613760, 701440, 732928, 784462, 896528, 916160, 982016, 1047040, 1120660, 1227520, 1465856, 1568924, 1793056, 1832320, 1961155, 2094080, 2241320, 2455040, 2931712, 3137848, 3586112, 3664640, 3922310, 4482640, 4910080, 6275696, 7172224, 7329280, 7844620, 8965280, 12551392, 14344448, 14658560, 15689240, 17930560, 25102784, 28688896, 31378480, 35861120, 50205568, 57377792, 62756960, 71722240, 100411136, 125513920, 143444480, 200822272, 251027840, 286888960, 401644544, 502055680, 1004111360, 2008222720]

約数ペア:

[(1, 2008222720), (2, 1004111360), (4, 502055680), (5, 401644544), (7, 286888960), (8, 251027840), (10, 200822272), (14, 143444480), (16, 125513920), (20, 100411136), (28, 71722240), (32, 62756960), (35, 57377792), (40, 50205568), (56, 35861120), (64, 31378480), (70, 28688896), (80, 25102784), (112, 17930560), (128, 15689240), (137, 14658560), (140, 14344448), (160, 12551392), (224, 8965280), (256, 7844620), (274, 7329280), (280, 7172224), (320, 6275696), (409, 4910080), (448, 4482640), (512, 3922310), (548, 3664640), (560, 3586112), (640, 3137848), (685, 2931712), (818, 2455040), (896, 2241320), (959, 2094080), (1024, 1961155), (1096, 1832320), (1120, 1793056), (1280, 1568924), (1370, 1465856), (1636, 1227520), (1792, 1120660), (1918, 1047040), (2045, 982016), (2192, 916160), (2240, 896528), (2560, 784462), (2740, 732928), (2863, 701440), (3272, 613760), (3584, 560330), (3836, 523520), (4090, 491008), (4384, 458080), (4480, 448264), (4795, 418816), (5120, 392231), (5480, 366464), (5726, 350720), (6544, 306880), (7168, 280165), (7672, 261760), (8180, 245504), (8768, 229040), (8960, 224132), (9590, 209408), (10960, 183232), (11452, 175360), (13088, 153440), (14315, 140288), (15344, 130880), (16360, 122752), (17536, 114520), (17920, 112066), (19180, 104704), (21920, 91616), (22904, 87680), (26176, 76720), (28630, 70144), (30688, 65440), (32720, 61376), (35072, 57260), (35840, 56033), (38360, 52352), (43840, 45808)]