81496380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{6691}}^1$

素因数の和:6739

約数の個数: 96

約数和(自身を含む): 269821440

約数和(自身を除く): 188325060

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 29, 30, 35, 42, 58, 60, 70, 84, 87, 105, 116, 140, 145, 174, 203, 210, 290, 348, 406, 420, 435, 580, 609, 812, 870, 1015, 1218, 1740, 2030, 2436, 3045, 4060, 6090, 6691, 12180, 13382, 20073, 26764, 33455, 40146, 46837, 66910, 80292, 93674, 100365, 133820, 140511, 187348, 194039, 200730, 234185, 281022, 388078, 401460, 468370, 562044, 582117, 702555, 776156, 936740, 970195, 1164234, 1358273, 1405110, 1940390, 2328468, 2716546, 2810220, 2910585, 3880780, 4074819, 5433092, 5821170, 6791365, 8149638, 11642340, 13582730, 16299276, 20374095, 27165460, 40748190, 81496380]

約数ペア:

[(1, 81496380), (2, 40748190), (3, 27165460), (4, 20374095), (5, 16299276), (6, 13582730), (7, 11642340), (10, 8149638), (12, 6791365), (14, 5821170), (15, 5433092), (20, 4074819), (21, 3880780), (28, 2910585), (29, 2810220), (30, 2716546), (35, 2328468), (42, 1940390), (58, 1405110), (60, 1358273), (70, 1164234), (84, 970195), (87, 936740), (105, 776156), (116, 702555), (140, 582117), (145, 562044), (174, 468370), (203, 401460), (210, 388078), (290, 281022), (348, 234185), (406, 200730), (420, 194039), (435, 187348), (580, 140511), (609, 133820), (812, 100365), (870, 93674), (1015, 80292), (1218, 66910), (1740, 46837), (2030, 40146), (2436, 33455), (3045, 26764), (4060, 20073), (6090, 13382), (6691, 12180)]