2780978080

素因数分解:

$2^5\times 5^1\times {\mathrm{83}}^1\times {\mathrm{197}}^1\times {\mathrm{1063}}^1$

素因数の和:1358

約数の個数: 96

約数和(自身を含む): 6689257344

約数和(自身を除く): 3908279264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 83, 160, 166, 197, 332, 394, 415, 664, 788, 830, 985, 1063, 1328, 1576, 1660, 1970, 2126, 2656, 3152, 3320, 3940, 4252, 5315, 6304, 6640, 7880, 8504, 10630, 13280, 15760, 16351, 17008, 21260, 31520, 32702, 34016, 42520, 65404, 81755, 85040, 88229, 130808, 163510, 170080, 176458, 209411, 261616, 327020, 352916, 418822, 441145, 523232, 654040, 705832, 837644, 882290, 1047055, 1308080, 1411664, 1675288, 1764580, 2094110, 2616160, 2823328, 3350576, 3529160, 4188220, 6701152, 7058320, 8376440, 14116640, 16752880, 17381113, 33505760, 34762226, 69524452, 86905565, 139048904, 173811130, 278097808, 347622260, 556195616, 695244520, 1390489040, 2780978080]

約数ペア:

[(1, 2780978080), (2, 1390489040), (4, 695244520), (5, 556195616), (8, 347622260), (10, 278097808), (16, 173811130), (20, 139048904), (32, 86905565), (40, 69524452), (80, 34762226), (83, 33505760), (160, 17381113), (166, 16752880), (197, 14116640), (332, 8376440), (394, 7058320), (415, 6701152), (664, 4188220), (788, 3529160), (830, 3350576), (985, 2823328), (1063, 2616160), (1328, 2094110), (1576, 1764580), (1660, 1675288), (1970, 1411664), (2126, 1308080), (2656, 1047055), (3152, 882290), (3320, 837644), (3940, 705832), (4252, 654040), (5315, 523232), (6304, 441145), (6640, 418822), (7880, 352916), (8504, 327020), (10630, 261616), (13280, 209411), (15760, 176458), (16351, 170080), (17008, 163510), (21260, 130808), (31520, 88229), (32702, 85040), (34016, 81755), (42520, 65404)]