104120720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{661}}^1$

素因数の和:864

約数の個数: 80

約数和(自身を含む): 265965120

約数和(自身を除く): 161844400

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 179, 220, 358, 440, 661, 716, 880, 895, 1322, 1432, 1790, 1969, 2644, 2864, 3305, 3580, 3938, 5288, 6610, 7160, 7271, 7876, 9845, 10576, 13220, 14320, 14542, 15752, 19690, 26440, 29084, 31504, 36355, 39380, 52880, 58168, 72710, 78760, 116336, 118319, 145420, 157520, 236638, 290840, 473276, 581680, 591595, 946552, 1183190, 1301509, 1893104, 2366380, 2603018, 4732760, 5206036, 6507545, 9465520, 10412072, 13015090, 20824144, 26030180, 52060360, 104120720]

約数ペア:

[(1, 104120720), (2, 52060360), (4, 26030180), (5, 20824144), (8, 13015090), (10, 10412072), (11, 9465520), (16, 6507545), (20, 5206036), (22, 4732760), (40, 2603018), (44, 2366380), (55, 1893104), (80, 1301509), (88, 1183190), (110, 946552), (176, 591595), (179, 581680), (220, 473276), (358, 290840), (440, 236638), (661, 157520), (716, 145420), (880, 118319), (895, 116336), (1322, 78760), (1432, 72710), (1790, 58168), (1969, 52880), (2644, 39380), (2864, 36355), (3305, 31504), (3580, 29084), (3938, 26440), (5288, 19690), (6610, 15752), (7160, 14542), (7271, 14320), (7876, 13220), (9845, 10576)]