78191680

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{521}}^1$

素因数の和:612

約数の個数: 112

約数和(自身を含む): 216383616

約数和(自身を除く): 138191936

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, 280, 320, 335, 448, 469, 521, 536, 560, 670, 938, 1042, 1072, 1120, 1340, 1876, 2084, 2144, 2240, 2345, 2605, 2680, 3647, 3752, 4168, 4288, 4690, 5210, 5360, 7294, 7504, 8336, 9380, 10420, 10720, 14588, 15008, 16672, 18235, 18760, 20840, 21440, 29176, 30016, 33344, 34907, 36470, 37520, 41680, 58352, 69814, 72940, 75040, 83360, 116704, 139628, 145880, 150080, 166720, 174535, 233408, 244349, 279256, 291760, 349070, 488698, 558512, 583520, 698140, 977396, 1117024, 1167040, 1221745, 1396280, 1954792, 2234048, 2443490, 2792560, 3909584, 4886980, 5585120, 7819168, 9773960, 11170240, 15638336, 19547920, 39095840, 78191680]

約数ペア:

[(1, 78191680), (2, 39095840), (4, 19547920), (5, 15638336), (7, 11170240), (8, 9773960), (10, 7819168), (14, 5585120), (16, 4886980), (20, 3909584), (28, 2792560), (32, 2443490), (35, 2234048), (40, 1954792), (56, 1396280), (64, 1221745), (67, 1167040), (70, 1117024), (80, 977396), (112, 698140), (134, 583520), (140, 558512), (160, 488698), (224, 349070), (268, 291760), (280, 279256), (320, 244349), (335, 233408), (448, 174535), (469, 166720), (521, 150080), (536, 145880), (560, 139628), (670, 116704), (938, 83360), (1042, 75040), (1072, 72940), (1120, 69814), (1340, 58352), (1876, 41680), (2084, 37520), (2144, 36470), (2240, 34907), (2345, 33344), (2605, 30016), (2680, 29176), (3647, 21440), (3752, 20840), (4168, 18760), (4288, 18235), (4690, 16672), (5210, 15008), (5360, 14588), (7294, 10720), (7504, 10420), (8336, 9380)]