31786740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1289}}^1$

素因数の和:1441

約数の個数: 72

約数和(自身を含む): 97198920

約数和(自身を除く): 65412180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 137, 180, 274, 411, 548, 685, 822, 1233, 1289, 1370, 1644, 2055, 2466, 2578, 2740, 3867, 4110, 4932, 5156, 6165, 6445, 7734, 8220, 11601, 12330, 12890, 15468, 19335, 23202, 24660, 25780, 38670, 46404, 58005, 77340, 116010, 176593, 232020, 353186, 529779, 706372, 882965, 1059558, 1589337, 1765930, 2119116, 2648895, 3178674, 3531860, 5297790, 6357348, 7946685, 10595580, 15893370, 31786740]

約数ペア:

[(1, 31786740), (2, 15893370), (3, 10595580), (4, 7946685), (5, 6357348), (6, 5297790), (9, 3531860), (10, 3178674), (12, 2648895), (15, 2119116), (18, 1765930), (20, 1589337), (30, 1059558), (36, 882965), (45, 706372), (60, 529779), (90, 353186), (137, 232020), (180, 176593), (274, 116010), (411, 77340), (548, 58005), (685, 46404), (822, 38670), (1233, 25780), (1289, 24660), (1370, 23202), (1644, 19335), (2055, 15468), (2466, 12890), (2578, 12330), (2740, 11601), (3867, 8220), (4110, 7734), (4932, 6445), (5156, 6165)]