81682140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{523}}^1$

素因数の和:691

約数の個数: 96

約数和(自身を含む): 242968320

約数和(自身を除く): 161286180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 137, 190, 228, 274, 285, 380, 411, 523, 548, 570, 685, 822, 1046, 1140, 1370, 1569, 1644, 2055, 2092, 2603, 2615, 2740, 3138, 4110, 5206, 5230, 6276, 7809, 7845, 8220, 9937, 10412, 10460, 13015, 15618, 15690, 19874, 26030, 29811, 31236, 31380, 39045, 39748, 49685, 52060, 59622, 71651, 78090, 99370, 119244, 143302, 149055, 156180, 198740, 214953, 286604, 298110, 358255, 429906, 596220, 716510, 859812, 1074765, 1361369, 1433020, 2149530, 2722738, 4084107, 4299060, 5445476, 6806845, 8168214, 13613690, 16336428, 20420535, 27227380, 40841070, 81682140]

約数ペア:

[(1, 81682140), (2, 40841070), (3, 27227380), (4, 20420535), (5, 16336428), (6, 13613690), (10, 8168214), (12, 6806845), (15, 5445476), (19, 4299060), (20, 4084107), (30, 2722738), (38, 2149530), (57, 1433020), (60, 1361369), (76, 1074765), (95, 859812), (114, 716510), (137, 596220), (190, 429906), (228, 358255), (274, 298110), (285, 286604), (380, 214953), (411, 198740), (523, 156180), (548, 149055), (570, 143302), (685, 119244), (822, 99370), (1046, 78090), (1140, 71651), (1370, 59622), (1569, 52060), (1644, 49685), (2055, 39748), (2092, 39045), (2603, 31380), (2615, 31236), (2740, 29811), (3138, 26030), (4110, 19874), (5206, 15690), (5230, 15618), (6276, 13015), (7809, 10460), (7845, 10412), (8220, 9937)]