206882040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:389

約数の個数: 128

約数和(自身を含む): 637056000

約数和(自身を除く): 430173960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 79, 120, 139, 157, 158, 237, 278, 314, 316, 395, 417, 471, 474, 556, 628, 632, 695, 785, 790, 834, 942, 948, 1112, 1185, 1256, 1390, 1570, 1580, 1668, 1884, 1896, 2085, 2355, 2370, 2780, 3140, 3160, 3336, 3768, 4170, 4710, 4740, 5560, 6280, 8340, 9420, 9480, 10981, 12403, 16680, 18840, 21823, 21962, 24806, 32943, 37209, 43646, 43924, 49612, 54905, 62015, 65469, 65886, 74418, 87292, 87848, 99224, 109115, 109810, 124030, 130938, 131772, 148836, 164715, 174584, 186045, 218230, 219620, 248060, 261876, 263544, 297672, 327345, 329430, 372090, 436460, 439240, 496120, 523752, 654690, 658860, 744180, 872920, 1309380, 1317720, 1488360, 1724017, 2618760, 3448034, 5172051, 6896068, 8620085, 10344102, 13792136, 17240170, 20688204, 25860255, 34480340, 41376408, 51720510, 68960680, 103441020, 206882040]

約数ペア:

[(1, 206882040), (2, 103441020), (3, 68960680), (4, 51720510), (5, 41376408), (6, 34480340), (8, 25860255), (10, 20688204), (12, 17240170), (15, 13792136), (20, 10344102), (24, 8620085), (30, 6896068), (40, 5172051), (60, 3448034), (79, 2618760), (120, 1724017), (139, 1488360), (157, 1317720), (158, 1309380), (237, 872920), (278, 744180), (314, 658860), (316, 654690), (395, 523752), (417, 496120), (471, 439240), (474, 436460), (556, 372090), (628, 329430), (632, 327345), (695, 297672), (785, 263544), (790, 261876), (834, 248060), (942, 219620), (948, 218230), (1112, 186045), (1185, 174584), (1256, 164715), (1390, 148836), (1570, 131772), (1580, 130938), (1668, 124030), (1884, 109810), (1896, 109115), (2085, 99224), (2355, 87848), (2370, 87292), (2780, 74418), (3140, 65886), (3160, 65469), (3336, 62015), (3768, 54905), (4170, 49612), (4710, 43924), (4740, 43646), (5560, 37209), (6280, 32943), (8340, 24806), (9420, 21962), (9480, 21823), (10981, 18840), (12403, 16680)]