231071920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{541}}^1$

素因数の和:854

約数の個数: 80

約数和(自身を含む): 568579680

約数和(自身を除く): 337507760

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 281, 304, 380, 541, 562, 760, 1082, 1124, 1405, 1520, 2164, 2248, 2705, 2810, 4328, 4496, 5339, 5410, 5620, 8656, 10279, 10678, 10820, 11240, 20558, 21356, 21640, 22480, 26695, 41116, 42712, 43280, 51395, 53390, 82232, 85424, 102790, 106780, 152021, 164464, 205580, 213560, 304042, 411160, 427120, 608084, 760105, 822320, 1216168, 1520210, 2432336, 2888399, 3040420, 5776798, 6080840, 11553596, 12161680, 14441995, 23107192, 28883990, 46214384, 57767980, 115535960, 231071920]

約数ペア:

[(1, 231071920), (2, 115535960), (4, 57767980), (5, 46214384), (8, 28883990), (10, 23107192), (16, 14441995), (19, 12161680), (20, 11553596), (38, 6080840), (40, 5776798), (76, 3040420), (80, 2888399), (95, 2432336), (152, 1520210), (190, 1216168), (281, 822320), (304, 760105), (380, 608084), (541, 427120), (562, 411160), (760, 304042), (1082, 213560), (1124, 205580), (1405, 164464), (1520, 152021), (2164, 106780), (2248, 102790), (2705, 85424), (2810, 82232), (4328, 53390), (4496, 51395), (5339, 43280), (5410, 42712), (5620, 41116), (8656, 26695), (10279, 22480), (10678, 21640), (10820, 21356), (11240, 20558)]