78663040

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{6469}}^1$

素因数の和:6507

約数の個数: 64

約数和(自身を含む): 197982000

約数和(自身を除く): 119318960

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 304, 320, 380, 608, 640, 760, 1216, 1520, 2432, 3040, 6080, 6469, 12160, 12938, 25876, 32345, 51752, 64690, 103504, 122911, 129380, 207008, 245822, 258760, 414016, 491644, 517520, 614555, 828032, 983288, 1035040, 1229110, 1966576, 2070080, 2458220, 3933152, 4140160, 4916440, 7866304, 9832880, 15732608, 19665760, 39331520, 78663040]

約数ペア:

[(1, 78663040), (2, 39331520), (4, 19665760), (5, 15732608), (8, 9832880), (10, 7866304), (16, 4916440), (19, 4140160), (20, 3933152), (32, 2458220), (38, 2070080), (40, 1966576), (64, 1229110), (76, 1035040), (80, 983288), (95, 828032), (128, 614555), (152, 517520), (160, 491644), (190, 414016), (304, 258760), (320, 245822), (380, 207008), (608, 129380), (640, 122911), (760, 103504), (1216, 64690), (1520, 51752), (2432, 32345), (3040, 25876), (6080, 12938), (6469, 12160)]