81643520

素因数分解:

$2^{11}\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1$

素因数の和:118

約数の個数: 192

約数和(自身を含む): 240589440

約数和(自身を除く): 158945920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 64, 67, 68, 70, 80, 85, 112, 119, 128, 134, 136, 140, 160, 170, 224, 238, 256, 268, 272, 280, 320, 335, 340, 448, 469, 476, 512, 536, 544, 560, 595, 640, 670, 680, 896, 938, 952, 1024, 1072, 1088, 1120, 1139, 1190, 1280, 1340, 1360, 1792, 1876, 1904, 2048, 2144, 2176, 2240, 2278, 2345, 2380, 2560, 2680, 2720, 3584, 3752, 3808, 4288, 4352, 4480, 4556, 4690, 4760, 5120, 5360, 5440, 5695, 7168, 7504, 7616, 7973, 8576, 8704, 8960, 9112, 9380, 9520, 10240, 10720, 10880, 11390, 14336, 15008, 15232, 15946, 17152, 17408, 17920, 18224, 18760, 19040, 21440, 21760, 22780, 30016, 30464, 31892, 34304, 34816, 35840, 36448, 37520, 38080, 39865, 42880, 43520, 45560, 60032, 60928, 63784, 68608, 71680, 72896, 75040, 76160, 79730, 85760, 87040, 91120, 120064, 121856, 127568, 137216, 145792, 150080, 152320, 159460, 171520, 174080, 182240, 240128, 243712, 255136, 291584, 300160, 304640, 318920, 343040, 364480, 480256, 510272, 583168, 600320, 609280, 637840, 686080, 728960, 960512, 1020544, 1166336, 1200640, 1218560, 1275680, 1457920, 2041088, 2332672, 2401280, 2551360, 2915840, 4082176, 4802560, 5102720, 5831680, 8164352, 10205440, 11663360, 16328704, 20410880, 40821760, 81643520]

約数ペア:

[(1, 81643520), (2, 40821760), (4, 20410880), (5, 16328704), (7, 11663360), (8, 10205440), (10, 8164352), (14, 5831680), (16, 5102720), (17, 4802560), (20, 4082176), (28, 2915840), (32, 2551360), (34, 2401280), (35, 2332672), (40, 2041088), (56, 1457920), (64, 1275680), (67, 1218560), (68, 1200640), (70, 1166336), (80, 1020544), (85, 960512), (112, 728960), (119, 686080), (128, 637840), (134, 609280), (136, 600320), (140, 583168), (160, 510272), (170, 480256), (224, 364480), (238, 343040), (256, 318920), (268, 304640), (272, 300160), (280, 291584), (320, 255136), (335, 243712), (340, 240128), (448, 182240), (469, 174080), (476, 171520), (512, 159460), (536, 152320), (544, 150080), (560, 145792), (595, 137216), (640, 127568), (670, 121856), (680, 120064), (896, 91120), (938, 87040), (952, 85760), (1024, 79730), (1072, 76160), (1088, 75040), (1120, 72896), (1139, 71680), (1190, 68608), (1280, 63784), (1340, 60928), (1360, 60032), (1792, 45560), (1876, 43520), (1904, 42880), (2048, 39865), (2144, 38080), (2176, 37520), (2240, 36448), (2278, 35840), (2345, 34816), (2380, 34304), (2560, 31892), (2680, 30464), (2720, 30016), (3584, 22780), (3752, 21760), (3808, 21440), (4288, 19040), (4352, 18760), (4480, 18224), (4556, 17920), (4690, 17408), (4760, 17152), (5120, 15946), (5360, 15232), (5440, 15008), (5695, 14336), (7168, 11390), (7504, 10880), (7616, 10720), (7973, 10240), (8576, 9520), (8704, 9380), (8960, 9112)]