8557020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{347}}^1$

素因数の和:499

約数の個数: 72

約数和(自身を含む): 26221104

約数和(自身を除く): 17664084

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 137, 180, 274, 347, 411, 548, 685, 694, 822, 1041, 1233, 1370, 1388, 1644, 1735, 2055, 2082, 2466, 2740, 3123, 3470, 4110, 4164, 4932, 5205, 6165, 6246, 6940, 8220, 10410, 12330, 12492, 15615, 20820, 24660, 31230, 47539, 62460, 95078, 142617, 190156, 237695, 285234, 427851, 475390, 570468, 713085, 855702, 950780, 1426170, 1711404, 2139255, 2852340, 4278510, 8557020]

約数ペア:

[(1, 8557020), (2, 4278510), (3, 2852340), (4, 2139255), (5, 1711404), (6, 1426170), (9, 950780), (10, 855702), (12, 713085), (15, 570468), (18, 475390), (20, 427851), (30, 285234), (36, 237695), (45, 190156), (60, 142617), (90, 95078), (137, 62460), (180, 47539), (274, 31230), (347, 24660), (411, 20820), (548, 15615), (685, 12492), (694, 12330), (822, 10410), (1041, 8220), (1233, 6940), (1370, 6246), (1388, 6165), (1644, 5205), (1735, 4932), (2055, 4164), (2082, 4110), (2466, 3470), (2740, 3123)]