81243570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{971}}^1\times {\mathrm{2789}}^1$

素因数の和:3770

約数の個数: 32

約数和(自身を含む): 195255360

約数和(自身を除く): 114011790

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 971, 1942, 2789, 2913, 4855, 5578, 5826, 8367, 9710, 13945, 14565, 16734, 27890, 29130, 41835, 83670, 2708119, 5416238, 8124357, 13540595, 16248714, 27081190, 40621785, 81243570]

約数ペア:

[(1, 81243570), (2, 40621785), (3, 27081190), (5, 16248714), (6, 13540595), (10, 8124357), (15, 5416238), (30, 2708119), (971, 83670), (1942, 41835), (2789, 29130), (2913, 27890), (4855, 16734), (5578, 14565), (5826, 13945), (8367, 9710)]