538881280

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{439}}^1$

素因数の和:604

約数の個数: 144

約数和(自身を含む): 1489340160

約数和(自身を除く): 950458880

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, 439, 448, 548, 560, 640, 685, 878, 896, 959, 1096, 1120, 1280, 1370, 1756, 1792, 1918, 2192, 2195, 2240, 2740, 3073, 3512, 3836, 4384, 4390, 4480, 4795, 5480, 6146, 7024, 7672, 8768, 8780, 8960, 9590, 10960, 12292, 14048, 15344, 15365, 17536, 17560, 19180, 21920, 24584, 28096, 30688, 30730, 35072, 35120, 38360, 43840, 49168, 56192, 60143, 61376, 61460, 70240, 76720, 87680, 98336, 112384, 120286, 122752, 122920, 140480, 153440, 175360, 196672, 240572, 245504, 245840, 280960, 300715, 306880, 393344, 421001, 481144, 491680, 561920, 601430, 613760, 786688, 842002, 962288, 983360, 1202860, 1227520, 1684004, 1924576, 1966720, 2105005, 2405720, 3368008, 3849152, 3933440, 4210010, 4811440, 6736016, 7698304, 8420020, 9622880, 13472032, 15396608, 16840040, 19245760, 26944064, 33680080, 38491520, 53888128, 67360160, 76983040, 107776256, 134720320, 269440640, 538881280]

約数ペア:

[(1, 538881280), (2, 269440640), (4, 134720320), (5, 107776256), (7, 76983040), (8, 67360160), (10, 53888128), (14, 38491520), (16, 33680080), (20, 26944064), (28, 19245760), (32, 16840040), (35, 15396608), (40, 13472032), (56, 9622880), (64, 8420020), (70, 7698304), (80, 6736016), (112, 4811440), (128, 4210010), (137, 3933440), (140, 3849152), (160, 3368008), (224, 2405720), (256, 2105005), (274, 1966720), (280, 1924576), (320, 1684004), (439, 1227520), (448, 1202860), (548, 983360), (560, 962288), (640, 842002), (685, 786688), (878, 613760), (896, 601430), (959, 561920), (1096, 491680), (1120, 481144), (1280, 421001), (1370, 393344), (1756, 306880), (1792, 300715), (1918, 280960), (2192, 245840), (2195, 245504), (2240, 240572), (2740, 196672), (3073, 175360), (3512, 153440), (3836, 140480), (4384, 122920), (4390, 122752), (4480, 120286), (4795, 112384), (5480, 98336), (6146, 87680), (7024, 76720), (7672, 70240), (8768, 61460), (8780, 61376), (8960, 60143), (9590, 56192), (10960, 49168), (12292, 43840), (14048, 38360), (15344, 35120), (15365, 35072), (17536, 30730), (17560, 30688), (19180, 28096), (21920, 24584)]