80671360

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1637}}^1$

素因数の和:1674

約数の個数: 128

約数和(自身を含む): 240589440

約数和(自身を除く): 159918080

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 128, 140, 154, 160, 176, 220, 224, 280, 308, 320, 352, 385, 440, 448, 560, 616, 640, 704, 770, 880, 896, 1120, 1232, 1408, 1540, 1637, 1760, 2240, 2464, 3080, 3274, 3520, 4480, 4928, 6160, 6548, 7040, 8185, 9856, 11459, 12320, 13096, 16370, 18007, 22918, 24640, 26192, 32740, 36014, 45836, 49280, 52384, 57295, 65480, 72028, 90035, 91672, 104768, 114590, 126049, 130960, 144056, 180070, 183344, 209536, 229180, 252098, 261920, 288112, 360140, 366688, 458360, 504196, 523840, 576224, 630245, 720280, 733376, 916720, 1008392, 1047680, 1152448, 1260490, 1440560, 1466752, 1833440, 2016784, 2304896, 2520980, 2881120, 3666880, 4033568, 5041960, 5762240, 7333760, 8067136, 10083920, 11524480, 16134272, 20167840, 40335680, 80671360]

約数ペア:

[(1, 80671360), (2, 40335680), (4, 20167840), (5, 16134272), (7, 11524480), (8, 10083920), (10, 8067136), (11, 7333760), (14, 5762240), (16, 5041960), (20, 4033568), (22, 3666880), (28, 2881120), (32, 2520980), (35, 2304896), (40, 2016784), (44, 1833440), (55, 1466752), (56, 1440560), (64, 1260490), (70, 1152448), (77, 1047680), (80, 1008392), (88, 916720), (110, 733376), (112, 720280), (128, 630245), (140, 576224), (154, 523840), (160, 504196), (176, 458360), (220, 366688), (224, 360140), (280, 288112), (308, 261920), (320, 252098), (352, 229180), (385, 209536), (440, 183344), (448, 180070), (560, 144056), (616, 130960), (640, 126049), (704, 114590), (770, 104768), (880, 91672), (896, 90035), (1120, 72028), (1232, 65480), (1408, 57295), (1540, 52384), (1637, 49280), (1760, 45836), (2240, 36014), (2464, 32740), (3080, 26192), (3274, 24640), (3520, 22918), (4480, 18007), (4928, 16370), (6160, 13096), (6548, 12320), (7040, 11459), (8185, 9856)]