15853640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{263}}^1$

素因数の和:422

約数の個数: 64

約数和(自身を含む): 39346560

約数和(自身を除く): 23492920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 137, 220, 263, 274, 440, 526, 548, 685, 1052, 1096, 1315, 1370, 1507, 2104, 2630, 2740, 2893, 3014, 5260, 5480, 5786, 6028, 7535, 10520, 11572, 12056, 14465, 15070, 23144, 28930, 30140, 36031, 57860, 60280, 72062, 115720, 144124, 180155, 288248, 360310, 396341, 720620, 792682, 1441240, 1585364, 1981705, 3170728, 3963410, 7926820, 15853640]

約数ペア:

[(1, 15853640), (2, 7926820), (4, 3963410), (5, 3170728), (8, 1981705), (10, 1585364), (11, 1441240), (20, 792682), (22, 720620), (40, 396341), (44, 360310), (55, 288248), (88, 180155), (110, 144124), (137, 115720), (220, 72062), (263, 60280), (274, 57860), (440, 36031), (526, 30140), (548, 28930), (685, 23144), (1052, 15070), (1096, 14465), (1315, 12056), (1370, 11572), (1507, 10520), (2104, 7535), (2630, 6028), (2740, 5786), (2893, 5480), (3014, 5260)]