121302920

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{1669}}^1$

素因数の和:1782

約数の個数: 64

約数和(自身を含む): 288576000

約数和(自身を除く): 167273080

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 79, 92, 115, 158, 184, 230, 316, 395, 460, 632, 790, 920, 1580, 1669, 1817, 3160, 3338, 3634, 6676, 7268, 8345, 9085, 13352, 14536, 16690, 18170, 33380, 36340, 38387, 66760, 72680, 76774, 131851, 153548, 191935, 263702, 307096, 383870, 527404, 659255, 767740, 1054808, 1318510, 1535480, 2637020, 3032573, 5274040, 6065146, 12130292, 15162865, 24260584, 30325730, 60651460, 121302920]

約数ペア:

[(1, 121302920), (2, 60651460), (4, 30325730), (5, 24260584), (8, 15162865), (10, 12130292), (20, 6065146), (23, 5274040), (40, 3032573), (46, 2637020), (79, 1535480), (92, 1318510), (115, 1054808), (158, 767740), (184, 659255), (230, 527404), (316, 383870), (395, 307096), (460, 263702), (632, 191935), (790, 153548), (920, 131851), (1580, 76774), (1669, 72680), (1817, 66760), (3160, 38387), (3338, 36340), (3634, 33380), (6676, 18170), (7268, 16690), (8345, 14536), (9085, 13352)]