854425520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{6469}}^1$

素因数の和:6622

約数の個数: 80

約数和(自身を含む): 2156528640

約数和(自身を除く): 1302103120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 127, 130, 208, 254, 260, 508, 520, 635, 1016, 1040, 1270, 1651, 2032, 2540, 3302, 5080, 6469, 6604, 8255, 10160, 12938, 13208, 16510, 25876, 26416, 32345, 33020, 51752, 64690, 66040, 84097, 103504, 129380, 132080, 168194, 258760, 336388, 420485, 517520, 672776, 821563, 840970, 1345552, 1643126, 1681940, 3286252, 3363880, 4107815, 6572504, 6727760, 8215630, 10680319, 13145008, 16431260, 21360638, 32862520, 42721276, 53401595, 65725040, 85442552, 106803190, 170885104, 213606380, 427212760, 854425520]

約数ペア:

[(1, 854425520), (2, 427212760), (4, 213606380), (5, 170885104), (8, 106803190), (10, 85442552), (13, 65725040), (16, 53401595), (20, 42721276), (26, 32862520), (40, 21360638), (52, 16431260), (65, 13145008), (80, 10680319), (104, 8215630), (127, 6727760), (130, 6572504), (208, 4107815), (254, 3363880), (260, 3286252), (508, 1681940), (520, 1643126), (635, 1345552), (1016, 840970), (1040, 821563), (1270, 672776), (1651, 517520), (2032, 420485), (2540, 336388), (3302, 258760), (5080, 168194), (6469, 132080), (6604, 129380), (8255, 103504), (10160, 84097), (12938, 66040), (13208, 64690), (16510, 51752), (25876, 33020), (26416, 32345)]