15678840980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1168319}}^1$

素因数の和:1168400

約数の個数: 48

約数和(自身を含む): 36507663360

約数和(自身を除く): 20828822380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 110, 122, 220, 244, 305, 610, 671, 1220, 1342, 2684, 3355, 6710, 13420, 1168319, 2336638, 4673276, 5841595, 11683190, 12851509, 23366380, 25703018, 51406036, 64257545, 71267459, 128515090, 142534918, 257030180, 285069836, 356337295, 712674590, 783942049, 1425349180, 1567884098, 3135768196, 3919710245, 7839420490, 15678840980]

約数ペア:

[(1, 15678840980), (2, 7839420490), (4, 3919710245), (5, 3135768196), (10, 1567884098), (11, 1425349180), (20, 783942049), (22, 712674590), (44, 356337295), (55, 285069836), (61, 257030180), (110, 142534918), (122, 128515090), (220, 71267459), (244, 64257545), (305, 51406036), (610, 25703018), (671, 23366380), (1220, 12851509), (1342, 11683190), (2684, 5841595), (3355, 4673276), (6710, 2336638), (13420, 1168319)]