40671680

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{271}}^1$

素因数の和:362

約数の個数: 112

約数和(自身を含む): 112751616

約数和(自身を除く): 72079936

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 67, 70, 80, 112, 134, 140, 160, 224, 268, 271, 280, 320, 335, 448, 469, 536, 542, 560, 670, 938, 1072, 1084, 1120, 1340, 1355, 1876, 1897, 2144, 2168, 2240, 2345, 2680, 2710, 3752, 3794, 4288, 4336, 4690, 5360, 5420, 7504, 7588, 8672, 9380, 9485, 10720, 10840, 15008, 15176, 17344, 18157, 18760, 18970, 21440, 21680, 30016, 30352, 36314, 37520, 37940, 43360, 60704, 72628, 75040, 75880, 86720, 90785, 121408, 127099, 145256, 150080, 151760, 181570, 254198, 290512, 303520, 363140, 508396, 581024, 607040, 635495, 726280, 1016792, 1162048, 1270990, 1452560, 2033584, 2541980, 2905120, 4067168, 5083960, 5810240, 8134336, 10167920, 20335840, 40671680]

約数ペア:

[(1, 40671680), (2, 20335840), (4, 10167920), (5, 8134336), (7, 5810240), (8, 5083960), (10, 4067168), (14, 2905120), (16, 2541980), (20, 2033584), (28, 1452560), (32, 1270990), (35, 1162048), (40, 1016792), (56, 726280), (64, 635495), (67, 607040), (70, 581024), (80, 508396), (112, 363140), (134, 303520), (140, 290512), (160, 254198), (224, 181570), (268, 151760), (271, 150080), (280, 145256), (320, 127099), (335, 121408), (448, 90785), (469, 86720), (536, 75880), (542, 75040), (560, 72628), (670, 60704), (938, 43360), (1072, 37940), (1084, 37520), (1120, 36314), (1340, 30352), (1355, 30016), (1876, 21680), (1897, 21440), (2144, 18970), (2168, 18760), (2240, 18157), (2345, 17344), (2680, 15176), (2710, 15008), (3752, 10840), (3794, 10720), (4288, 9485), (4336, 9380), (4690, 8672), (5360, 7588), (5420, 7504)]