15564340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{269}}^1$

素因数の和:552

約数の個数: 48

約数和(自身を含む): 35925120

約数和(自身を除く): 20360780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 263, 269, 526, 538, 1052, 1076, 1315, 1345, 2630, 2690, 2893, 2959, 5260, 5380, 5786, 5918, 11572, 11836, 14465, 14795, 28930, 29590, 57860, 59180, 70747, 141494, 282988, 353735, 707470, 778217, 1414940, 1556434, 3112868, 3891085, 7782170, 15564340]

約数ペア:

[(1, 15564340), (2, 7782170), (4, 3891085), (5, 3112868), (10, 1556434), (11, 1414940), (20, 778217), (22, 707470), (44, 353735), (55, 282988), (110, 141494), (220, 70747), (263, 59180), (269, 57860), (526, 29590), (538, 28930), (1052, 14795), (1076, 14465), (1315, 11836), (1345, 11572), (2630, 5918), (2690, 5786), (2893, 5380), (2959, 5260)]