164231267920

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2351}}^1\times {\mathrm{8011}}^1$

素因数の和:10484

約数の個数: 80

約数和(自身を含む): 385552823040

約数和(自身を除く): 221321555120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 2351, 4360, 4702, 8011, 8720, 9404, 11755, 16022, 18808, 23510, 32044, 37616, 40055, 47020, 64088, 80110, 94040, 128176, 160220, 188080, 256259, 320440, 512518, 640880, 873199, 1025036, 1281295, 1746398, 2050072, 2562590, 3492796, 4100144, 4365995, 5125180, 6985592, 8731990, 10250360, 13971184, 17463980, 18833861, 20500720, 34927960, 37667722, 69855920, 75335444, 94169305, 150670888, 188338610, 301341776, 376677220, 753354440, 1506708880, 2052890849, 4105781698, 8211563396, 10264454245, 16423126792, 20528908490, 32846253584, 41057816980, 82115633960, 164231267920]

約数ペア:

[(1, 164231267920), (2, 82115633960), (4, 41057816980), (5, 32846253584), (8, 20528908490), (10, 16423126792), (16, 10264454245), (20, 8211563396), (40, 4105781698), (80, 2052890849), (109, 1506708880), (218, 753354440), (436, 376677220), (545, 301341776), (872, 188338610), (1090, 150670888), (1744, 94169305), (2180, 75335444), (2351, 69855920), (4360, 37667722), (4702, 34927960), (8011, 20500720), (8720, 18833861), (9404, 17463980), (11755, 13971184), (16022, 10250360), (18808, 8731990), (23510, 6985592), (32044, 5125180), (37616, 4365995), (40055, 4100144), (47020, 3492796), (64088, 2562590), (80110, 2050072), (94040, 1746398), (128176, 1281295), (160220, 1025036), (188080, 873199), (256259, 640880), (320440, 512518)]