131435920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1123}}^1$

素因数の和:1173

約数の個数: 160

約数和(自身を含む): 401402880

約数和(自身を除く): 269966960

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 19, 20, 22, 28, 35, 38, 40, 44, 55, 56, 70, 76, 77, 80, 88, 95, 110, 112, 133, 140, 152, 154, 176, 190, 209, 220, 266, 280, 304, 308, 380, 385, 418, 440, 532, 560, 616, 665, 760, 770, 836, 880, 1045, 1064, 1123, 1232, 1330, 1463, 1520, 1540, 1672, 2090, 2128, 2246, 2660, 2926, 3080, 3344, 4180, 4492, 5320, 5615, 5852, 6160, 7315, 7861, 8360, 8984, 10640, 11230, 11704, 12353, 14630, 15722, 16720, 17968, 21337, 22460, 23408, 24706, 29260, 31444, 39305, 42674, 44920, 49412, 58520, 61765, 62888, 78610, 85348, 86471, 89840, 98824, 106685, 117040, 123530, 125776, 149359, 157220, 170696, 172942, 197648, 213370, 234707, 247060, 298718, 314440, 341392, 345884, 426740, 432355, 469414, 494120, 597436, 628880, 691768, 746795, 853480, 864710, 938828, 988240, 1173535, 1194872, 1383536, 1493590, 1642949, 1706960, 1729420, 1877656, 2347070, 2389744, 2987180, 3285898, 3458840, 3755312, 4694140, 5974360, 6571796, 6917680, 8214745, 9388280, 11948720, 13143592, 16429490, 18776560, 26287184, 32858980, 65717960, 131435920]

約数ペア:

[(1, 131435920), (2, 65717960), (4, 32858980), (5, 26287184), (7, 18776560), (8, 16429490), (10, 13143592), (11, 11948720), (14, 9388280), (16, 8214745), (19, 6917680), (20, 6571796), (22, 5974360), (28, 4694140), (35, 3755312), (38, 3458840), (40, 3285898), (44, 2987180), (55, 2389744), (56, 2347070), (70, 1877656), (76, 1729420), (77, 1706960), (80, 1642949), (88, 1493590), (95, 1383536), (110, 1194872), (112, 1173535), (133, 988240), (140, 938828), (152, 864710), (154, 853480), (176, 746795), (190, 691768), (209, 628880), (220, 597436), (266, 494120), (280, 469414), (304, 432355), (308, 426740), (380, 345884), (385, 341392), (418, 314440), (440, 298718), (532, 247060), (560, 234707), (616, 213370), (665, 197648), (760, 172942), (770, 170696), (836, 157220), (880, 149359), (1045, 125776), (1064, 123530), (1123, 117040), (1232, 106685), (1330, 98824), (1463, 89840), (1520, 86471), (1540, 85348), (1672, 78610), (2090, 62888), (2128, 61765), (2246, 58520), (2660, 49412), (2926, 44920), (3080, 42674), (3344, 39305), (4180, 31444), (4492, 29260), (5320, 24706), (5615, 23408), (5852, 22460), (6160, 21337), (7315, 17968), (7861, 16720), (8360, 15722), (8984, 14630), (10640, 12353), (11230, 11704)]