138974080

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{463}}^1$

素因数の和:556

約数の個数: 128

約数和(自身を含む): 386196480

約数和(自身を除く): 247222400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 67, 70, 80, 112, 128, 134, 140, 160, 224, 268, 280, 320, 335, 448, 463, 469, 536, 560, 640, 670, 896, 926, 938, 1072, 1120, 1340, 1852, 1876, 2144, 2240, 2315, 2345, 2680, 3241, 3704, 3752, 4288, 4480, 4630, 4690, 5360, 6482, 7408, 7504, 8576, 9260, 9380, 10720, 12964, 14816, 15008, 16205, 18520, 18760, 21440, 25928, 29632, 30016, 31021, 32410, 37040, 37520, 42880, 51856, 59264, 60032, 62042, 64820, 74080, 75040, 103712, 124084, 129640, 148160, 150080, 155105, 207424, 217147, 248168, 259280, 296320, 300160, 310210, 414848, 434294, 496336, 518560, 620420, 868588, 992672, 1037120, 1085735, 1240840, 1737176, 1985344, 2074240, 2171470, 2481680, 3474352, 3970688, 4342940, 4963360, 6948704, 8685880, 9926720, 13897408, 17371760, 19853440, 27794816, 34743520, 69487040, 138974080]

約数ペア:

[(1, 138974080), (2, 69487040), (4, 34743520), (5, 27794816), (7, 19853440), (8, 17371760), (10, 13897408), (14, 9926720), (16, 8685880), (20, 6948704), (28, 4963360), (32, 4342940), (35, 3970688), (40, 3474352), (56, 2481680), (64, 2171470), (67, 2074240), (70, 1985344), (80, 1737176), (112, 1240840), (128, 1085735), (134, 1037120), (140, 992672), (160, 868588), (224, 620420), (268, 518560), (280, 496336), (320, 434294), (335, 414848), (448, 310210), (463, 300160), (469, 296320), (536, 259280), (560, 248168), (640, 217147), (670, 207424), (896, 155105), (926, 150080), (938, 148160), (1072, 129640), (1120, 124084), (1340, 103712), (1852, 75040), (1876, 74080), (2144, 64820), (2240, 62042), (2315, 60032), (2345, 59264), (2680, 51856), (3241, 42880), (3704, 37520), (3752, 37040), (4288, 32410), (4480, 31021), (4630, 30016), (4690, 29632), (5360, 25928), (6482, 21440), (7408, 18760), (7504, 18520), (8576, 16205), (9260, 15008), (9380, 14816), (10720, 12964)]