245477680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{2903}}^1$

素因数の和:3074

約数の個数: 80

約数和(自身を含む): 656815104

約数和(自身を除く): 411337424

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 151, 280, 302, 560, 604, 755, 1057, 1208, 1510, 2114, 2416, 2903, 3020, 4228, 5285, 5806, 6040, 8456, 10570, 11612, 12080, 14515, 16912, 20321, 21140, 23224, 29030, 40642, 42280, 46448, 58060, 81284, 84560, 101605, 116120, 162568, 203210, 232240, 325136, 406420, 438353, 812840, 876706, 1625680, 1753412, 2191765, 3068471, 3506824, 4383530, 6136942, 7013648, 8767060, 12273884, 15342355, 17534120, 24547768, 30684710, 35068240, 49095536, 61369420, 122738840, 245477680]

約数ペア:

[(1, 245477680), (2, 122738840), (4, 61369420), (5, 49095536), (7, 35068240), (8, 30684710), (10, 24547768), (14, 17534120), (16, 15342355), (20, 12273884), (28, 8767060), (35, 7013648), (40, 6136942), (56, 4383530), (70, 3506824), (80, 3068471), (112, 2191765), (140, 1753412), (151, 1625680), (280, 876706), (302, 812840), (560, 438353), (604, 406420), (755, 325136), (1057, 232240), (1208, 203210), (1510, 162568), (2114, 116120), (2416, 101605), (2903, 84560), (3020, 81284), (4228, 58060), (5285, 46448), (5806, 42280), (6040, 40642), (8456, 29030), (10570, 23224), (11612, 21140), (12080, 20321), (14515, 16912)]