231185920

素因数分解:

$2^9\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1$

素因数の和:153

約数の個数: 240

約数和(自身を含む): 685737360

約数和(自身を除く): 454551440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 49, 56, 64, 70, 76, 80, 95, 97, 98, 112, 128, 133, 140, 152, 160, 190, 194, 196, 224, 245, 256, 266, 280, 304, 320, 380, 388, 392, 448, 485, 490, 512, 532, 560, 608, 640, 665, 679, 760, 776, 784, 896, 931, 970, 980, 1064, 1120, 1216, 1280, 1330, 1358, 1520, 1552, 1568, 1792, 1843, 1862, 1940, 1960, 2128, 2240, 2432, 2560, 2660, 2716, 3040, 3104, 3136, 3395, 3584, 3686, 3724, 3880, 3920, 4256, 4480, 4655, 4753, 4864, 5320, 5432, 6080, 6208, 6272, 6790, 7372, 7448, 7760, 7840, 8512, 8960, 9215, 9310, 9506, 9728, 10640, 10864, 12160, 12416, 12544, 12901, 13580, 14744, 14896, 15520, 15680, 17024, 17920, 18430, 18620, 19012, 21280, 21728, 23765, 24320, 24832, 25088, 25802, 27160, 29488, 29792, 31040, 31360, 34048, 36860, 37240, 38024, 42560, 43456, 47530, 48640, 49664, 51604, 54320, 58976, 59584, 62080, 62720, 64505, 68096, 73720, 74480, 76048, 85120, 86912, 90307, 95060, 103208, 108640, 117952, 119168, 124160, 125440, 129010, 147440, 148960, 152096, 170240, 173824, 180614, 190120, 206416, 217280, 235904, 238336, 248320, 258020, 294880, 297920, 304192, 340480, 347648, 361228, 380240, 412832, 434560, 451535, 471808, 476672, 516040, 589760, 595840, 608384, 722456, 760480, 825664, 869120, 903070, 943616, 1032080, 1179520, 1191680, 1216768, 1444912, 1520960, 1651328, 1738240, 1806140, 2064160, 2359040, 2383360, 2433536, 2889824, 3041920, 3302656, 3612280, 4128320, 4718080, 5779648, 6083840, 6605312, 7224560, 8256640, 11559296, 12167680, 14449120, 16513280, 23118592, 28898240, 33026560, 46237184, 57796480, 115592960, 231185920]

約数ペア:

[(1, 231185920), (2, 115592960), (4, 57796480), (5, 46237184), (7, 33026560), (8, 28898240), (10, 23118592), (14, 16513280), (16, 14449120), (19, 12167680), (20, 11559296), (28, 8256640), (32, 7224560), (35, 6605312), (38, 6083840), (40, 5779648), (49, 4718080), (56, 4128320), (64, 3612280), (70, 3302656), (76, 3041920), (80, 2889824), (95, 2433536), (97, 2383360), (98, 2359040), (112, 2064160), (128, 1806140), (133, 1738240), (140, 1651328), (152, 1520960), (160, 1444912), (190, 1216768), (194, 1191680), (196, 1179520), (224, 1032080), (245, 943616), (256, 903070), (266, 869120), (280, 825664), (304, 760480), (320, 722456), (380, 608384), (388, 595840), (392, 589760), (448, 516040), (485, 476672), (490, 471808), (512, 451535), (532, 434560), (560, 412832), (608, 380240), (640, 361228), (665, 347648), (679, 340480), (760, 304192), (776, 297920), (784, 294880), (896, 258020), (931, 248320), (970, 238336), (980, 235904), (1064, 217280), (1120, 206416), (1216, 190120), (1280, 180614), (1330, 173824), (1358, 170240), (1520, 152096), (1552, 148960), (1568, 147440), (1792, 129010), (1843, 125440), (1862, 124160), (1940, 119168), (1960, 117952), (2128, 108640), (2240, 103208), (2432, 95060), (2560, 90307), (2660, 86912), (2716, 85120), (3040, 76048), (3104, 74480), (3136, 73720), (3395, 68096), (3584, 64505), (3686, 62720), (3724, 62080), (3880, 59584), (3920, 58976), (4256, 54320), (4480, 51604), (4655, 49664), (4753, 48640), (4864, 47530), (5320, 43456), (5432, 42560), (6080, 38024), (6208, 37240), (6272, 36860), (6790, 34048), (7372, 31360), (7448, 31040), (7760, 29792), (7840, 29488), (8512, 27160), (8960, 25802), (9215, 25088), (9310, 24832), (9506, 24320), (9728, 23765), (10640, 21728), (10864, 21280), (12160, 19012), (12416, 18620), (12544, 18430), (12901, 17920), (13580, 17024), (14744, 15680), (14896, 15520)]