161342720

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1637}}^1$

素因数の和:1676

約数の個数: 144

約数和(自身を含む): 482122368

約数和(自身を除く): 320779648

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, 256, 280, 308, 320, 352, 385, 440, 448, 560, 616, 640, 704, 770, 880, 896, 1120, 1232, 1280, 1408, 1540, 1637, 1760, 1792, 2240, 2464, 2816, 3080, 3274, 3520, 4480, 4928, 6160, 6548, 7040, 8185, 8960, 9856, 11459, 12320, 13096, 14080, 16370, 18007, 19712, 22918, 24640, 26192, 32740, 36014, 45836, 49280, 52384, 57295, 65480, 72028, 90035, 91672, 98560, 104768, 114590, 126049, 130960, 144056, 180070, 183344, 209536, 229180, 252098, 261920, 288112, 360140, 366688, 419072, 458360, 504196, 523840, 576224, 630245, 720280, 733376, 916720, 1008392, 1047680, 1152448, 1260490, 1440560, 1466752, 1833440, 2016784, 2095360, 2304896, 2520980, 2881120, 2933504, 3666880, 4033568, 4609792, 5041960, 5762240, 7333760, 8067136, 10083920, 11524480, 14667520, 16134272, 20167840, 23048960, 32268544, 40335680, 80671360, 161342720]

約数ペア:

[(1, 161342720), (2, 80671360), (4, 40335680), (5, 32268544), (7, 23048960), (8, 20167840), (10, 16134272), (11, 14667520), (14, 11524480), (16, 10083920), (20, 8067136), (22, 7333760), (28, 5762240), (32, 5041960), (35, 4609792), (40, 4033568), (44, 3666880), (55, 2933504), (56, 2881120), (64, 2520980), (70, 2304896), (77, 2095360), (80, 2016784), (88, 1833440), (110, 1466752), (112, 1440560), (128, 1260490), (140, 1152448), (154, 1047680), (160, 1008392), (176, 916720), (220, 733376), (224, 720280), (256, 630245), (280, 576224), (308, 523840), (320, 504196), (352, 458360), (385, 419072), (440, 366688), (448, 360140), (560, 288112), (616, 261920), (640, 252098), (704, 229180), (770, 209536), (880, 183344), (896, 180070), (1120, 144056), (1232, 130960), (1280, 126049), (1408, 114590), (1540, 104768), (1637, 98560), (1760, 91672), (1792, 90035), (2240, 72028), (2464, 65480), (2816, 57295), (3080, 52384), (3274, 49280), (3520, 45836), (4480, 36014), (4928, 32740), (6160, 26192), (6548, 24640), (7040, 22918), (8185, 19712), (8960, 18007), (9856, 16370), (11459, 14080), (12320, 13096)]