1280492080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{797}}^1$

素因数の和:987

約数の個数: 160

約数和(自身を含む): 3609768960

約数和(自身を除く): 2329276880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 151, 152, 190, 266, 280, 302, 304, 380, 532, 560, 604, 665, 755, 760, 797, 1057, 1064, 1208, 1330, 1510, 1520, 1594, 2114, 2128, 2416, 2660, 2869, 3020, 3188, 3985, 4228, 5285, 5320, 5579, 5738, 6040, 6376, 7970, 8456, 10570, 10640, 11158, 11476, 12080, 12752, 14345, 15143, 15940, 16912, 20083, 21140, 22316, 22952, 27895, 28690, 30286, 31880, 40166, 42280, 44632, 45904, 55790, 57380, 60572, 63760, 75715, 80332, 84560, 89264, 100415, 106001, 111580, 114760, 120347, 121144, 151430, 160664, 200830, 212002, 223160, 229520, 240694, 242288, 302860, 321328, 401660, 424004, 446320, 481388, 530005, 601735, 605720, 803320, 842429, 848008, 962776, 1060010, 1203470, 1211440, 1606640, 1684858, 1696016, 1925552, 2120020, 2286593, 2406940, 3369716, 4212145, 4240040, 4573186, 4813880, 6739432, 8424290, 8480080, 9146372, 9627760, 11432965, 13478864, 16006151, 16848580, 18292744, 22865930, 32012302, 33697160, 36585488, 45731860, 64024604, 67394320, 80030755, 91463720, 128049208, 160061510, 182927440, 256098416, 320123020, 640246040, 1280492080]

約数ペア:

[(1, 1280492080), (2, 640246040), (4, 320123020), (5, 256098416), (7, 182927440), (8, 160061510), (10, 128049208), (14, 91463720), (16, 80030755), (19, 67394320), (20, 64024604), (28, 45731860), (35, 36585488), (38, 33697160), (40, 32012302), (56, 22865930), (70, 18292744), (76, 16848580), (80, 16006151), (95, 13478864), (112, 11432965), (133, 9627760), (140, 9146372), (151, 8480080), (152, 8424290), (190, 6739432), (266, 4813880), (280, 4573186), (302, 4240040), (304, 4212145), (380, 3369716), (532, 2406940), (560, 2286593), (604, 2120020), (665, 1925552), (755, 1696016), (760, 1684858), (797, 1606640), (1057, 1211440), (1064, 1203470), (1208, 1060010), (1330, 962776), (1510, 848008), (1520, 842429), (1594, 803320), (2114, 605720), (2128, 601735), (2416, 530005), (2660, 481388), (2869, 446320), (3020, 424004), (3188, 401660), (3985, 321328), (4228, 302860), (5285, 242288), (5320, 240694), (5579, 229520), (5738, 223160), (6040, 212002), (6376, 200830), (7970, 160664), (8456, 151430), (10570, 121144), (10640, 120347), (11158, 114760), (11476, 111580), (12080, 106001), (12752, 100415), (14345, 89264), (15143, 84560), (15940, 80332), (16912, 75715), (20083, 63760), (21140, 60572), (22316, 57380), (22952, 55790), (27895, 45904), (28690, 44632), (30286, 42280), (31880, 40166)]