80120320

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1$

素因数の和:310

約数の個数: 160

約数和(自身を含む): 233342208

約数和(自身を除く): 153221888

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 64, 68, 70, 80, 85, 112, 119, 128, 136, 140, 160, 170, 224, 238, 256, 263, 272, 280, 320, 340, 448, 476, 512, 526, 544, 560, 595, 640, 680, 896, 952, 1052, 1088, 1120, 1190, 1280, 1315, 1360, 1792, 1841, 1904, 2104, 2176, 2240, 2380, 2560, 2630, 2720, 3584, 3682, 3808, 4208, 4352, 4471, 4480, 4760, 5260, 5440, 7364, 7616, 8416, 8704, 8942, 8960, 9205, 9520, 10520, 10880, 14728, 15232, 16832, 17884, 17920, 18410, 19040, 21040, 21760, 22355, 29456, 30464, 31297, 33664, 35768, 36820, 38080, 42080, 43520, 44710, 58912, 60928, 62594, 67328, 71536, 73640, 76160, 84160, 89420, 117824, 125188, 134656, 143072, 147280, 152320, 156485, 168320, 178840, 235648, 250376, 286144, 294560, 304640, 312970, 336640, 357680, 471296, 500752, 572288, 589120, 625940, 673280, 715360, 942592, 1001504, 1144576, 1178240, 1251880, 1430720, 2003008, 2289152, 2356480, 2503760, 2861440, 4006016, 4712960, 5007520, 5722880, 8012032, 10015040, 11445760, 16024064, 20030080, 40060160, 80120320]

約数ペア:

[(1, 80120320), (2, 40060160), (4, 20030080), (5, 16024064), (7, 11445760), (8, 10015040), (10, 8012032), (14, 5722880), (16, 5007520), (17, 4712960), (20, 4006016), (28, 2861440), (32, 2503760), (34, 2356480), (35, 2289152), (40, 2003008), (56, 1430720), (64, 1251880), (68, 1178240), (70, 1144576), (80, 1001504), (85, 942592), (112, 715360), (119, 673280), (128, 625940), (136, 589120), (140, 572288), (160, 500752), (170, 471296), (224, 357680), (238, 336640), (256, 312970), (263, 304640), (272, 294560), (280, 286144), (320, 250376), (340, 235648), (448, 178840), (476, 168320), (512, 156485), (526, 152320), (544, 147280), (560, 143072), (595, 134656), (640, 125188), (680, 117824), (896, 89420), (952, 84160), (1052, 76160), (1088, 73640), (1120, 71536), (1190, 67328), (1280, 62594), (1315, 60928), (1360, 58912), (1792, 44710), (1841, 43520), (1904, 42080), (2104, 38080), (2176, 36820), (2240, 35768), (2380, 33664), (2560, 31297), (2630, 30464), (2720, 29456), (3584, 22355), (3682, 21760), (3808, 21040), (4208, 19040), (4352, 18410), (4471, 17920), (4480, 17884), (4760, 16832), (5260, 15232), (5440, 14728), (7364, 10880), (7616, 10520), (8416, 9520), (8704, 9205), (8942, 8960)]