12846780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{479}}^1$

素因数の和:643

約数の個数: 72

約数和(自身を含む): 39312000

約数和(自身を除く): 26465220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 149, 180, 298, 447, 479, 596, 745, 894, 958, 1341, 1437, 1490, 1788, 1916, 2235, 2395, 2682, 2874, 2980, 4311, 4470, 4790, 5364, 5748, 6705, 7185, 8622, 8940, 9580, 13410, 14370, 17244, 21555, 26820, 28740, 43110, 71371, 86220, 142742, 214113, 285484, 356855, 428226, 642339, 713710, 856452, 1070565, 1284678, 1427420, 2141130, 2569356, 3211695, 4282260, 6423390, 12846780]

約数ペア:

[(1, 12846780), (2, 6423390), (3, 4282260), (4, 3211695), (5, 2569356), (6, 2141130), (9, 1427420), (10, 1284678), (12, 1070565), (15, 856452), (18, 713710), (20, 642339), (30, 428226), (36, 356855), (45, 285484), (60, 214113), (90, 142742), (149, 86220), (180, 71371), (298, 43110), (447, 28740), (479, 26820), (596, 21555), (745, 17244), (894, 14370), (958, 13410), (1341, 9580), (1437, 8940), (1490, 8622), (1788, 7185), (1916, 6705), (2235, 5748), (2395, 5364), (2682, 4790), (2874, 4470), (2980, 4311)]