71351840

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{479}}^1$

素因数の和:527

約数の個数: 144

約数和(自身を含む): 206841600

約数和(自身を除く): 135489760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 49, 56, 70, 76, 80, 95, 98, 112, 133, 140, 152, 160, 190, 196, 224, 245, 266, 280, 304, 380, 392, 479, 490, 532, 560, 608, 665, 760, 784, 931, 958, 980, 1064, 1120, 1330, 1520, 1568, 1862, 1916, 1960, 2128, 2395, 2660, 3040, 3353, 3724, 3832, 3920, 4256, 4655, 4790, 5320, 6706, 7448, 7664, 7840, 9101, 9310, 9580, 10640, 13412, 14896, 15328, 16765, 18202, 18620, 19160, 21280, 23471, 26824, 29792, 33530, 36404, 37240, 38320, 45505, 46942, 53648, 63707, 67060, 72808, 74480, 76640, 91010, 93884, 107296, 117355, 127414, 134120, 145616, 148960, 182020, 187768, 234710, 254828, 268240, 291232, 318535, 364040, 375536, 445949, 469420, 509656, 536480, 637070, 728080, 751072, 891898, 938840, 1019312, 1274140, 1456160, 1783796, 1877680, 2038624, 2229745, 2548280, 3567592, 3755360, 4459490, 5096560, 7135184, 8918980, 10193120, 14270368, 17837960, 35675920, 71351840]

約数ペア:

[(1, 71351840), (2, 35675920), (4, 17837960), (5, 14270368), (7, 10193120), (8, 8918980), (10, 7135184), (14, 5096560), (16, 4459490), (19, 3755360), (20, 3567592), (28, 2548280), (32, 2229745), (35, 2038624), (38, 1877680), (40, 1783796), (49, 1456160), (56, 1274140), (70, 1019312), (76, 938840), (80, 891898), (95, 751072), (98, 728080), (112, 637070), (133, 536480), (140, 509656), (152, 469420), (160, 445949), (190, 375536), (196, 364040), (224, 318535), (245, 291232), (266, 268240), (280, 254828), (304, 234710), (380, 187768), (392, 182020), (479, 148960), (490, 145616), (532, 134120), (560, 127414), (608, 117355), (665, 107296), (760, 93884), (784, 91010), (931, 76640), (958, 74480), (980, 72808), (1064, 67060), (1120, 63707), (1330, 53648), (1520, 46942), (1568, 45505), (1862, 38320), (1916, 37240), (1960, 36404), (2128, 33530), (2395, 29792), (2660, 26824), (3040, 23471), (3353, 21280), (3724, 19160), (3832, 18620), (3920, 18202), (4256, 16765), (4655, 15328), (4790, 14896), (5320, 13412), (6706, 10640), (7448, 9580), (7664, 9310), (7840, 9101)]