39991920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{281}}^1\times {\mathrm{593}}^1$

素因数の和:890

約数の個数: 80

約数和(自身を含む): 124625952

約数和(自身を除く): 84634032

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 281, 562, 593, 843, 1124, 1186, 1405, 1686, 1779, 2248, 2372, 2810, 2965, 3372, 3558, 4215, 4496, 4744, 5620, 5930, 6744, 7116, 8430, 8895, 9488, 11240, 11860, 13488, 14232, 16860, 17790, 22480, 23720, 28464, 33720, 35580, 47440, 67440, 71160, 142320, 166633, 333266, 499899, 666532, 833165, 999798, 1333064, 1666330, 1999596, 2499495, 2666128, 3332660, 3999192, 4998990, 6665320, 7998384, 9997980, 13330640, 19995960, 39991920]

約数ペア:

[(1, 39991920), (2, 19995960), (3, 13330640), (4, 9997980), (5, 7998384), (6, 6665320), (8, 4998990), (10, 3999192), (12, 3332660), (15, 2666128), (16, 2499495), (20, 1999596), (24, 1666330), (30, 1333064), (40, 999798), (48, 833165), (60, 666532), (80, 499899), (120, 333266), (240, 166633), (281, 142320), (562, 71160), (593, 67440), (843, 47440), (1124, 35580), (1186, 33720), (1405, 28464), (1686, 23720), (1779, 22480), (2248, 17790), (2372, 16860), (2810, 14232), (2965, 13488), (3372, 11860), (3558, 11240), (4215, 9488), (4496, 8895), (4744, 8430), (5620, 7116), (5930, 6744)]