87715620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{3557}}^1$

素因数の和:3709

約数の個数: 72

約数和(自身を含む): 268088184

約数和(自身を除く): 180372564

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, 1370, 1644, 2055, 2466, 2740, 3557, 4110, 4932, 6165, 7114, 8220, 10671, 12330, 14228, 17785, 21342, 24660, 32013, 35570, 42684, 53355, 64026, 71140, 106710, 128052, 160065, 213420, 320130, 487309, 640260, 974618, 1461927, 1949236, 2436545, 2923854, 4385781, 4873090, 5847708, 7309635, 8771562, 9746180, 14619270, 17543124, 21928905, 29238540, 43857810, 87715620]

約数ペア:

[(1, 87715620), (2, 43857810), (3, 29238540), (4, 21928905), (5, 17543124), (6, 14619270), (9, 9746180), (10, 8771562), (12, 7309635), (15, 5847708), (18, 4873090), (20, 4385781), (30, 2923854), (36, 2436545), (45, 1949236), (60, 1461927), (90, 974618), (137, 640260), (180, 487309), (274, 320130), (411, 213420), (548, 160065), (685, 128052), (822, 106710), (1233, 71140), (1370, 64026), (1644, 53355), (2055, 42684), (2466, 35570), (2740, 32013), (3557, 24660), (4110, 21342), (4932, 17785), (6165, 14228), (7114, 12330), (8220, 10671)]