128180960

素因数分解:

$2^5\times 5^1\times {\mathrm{281}}^1\times {\mathrm{2851}}^1$

素因数の和:3147

約数の個数: 48

約数和(自身を含む): 304011792

約数和(自身を除く): 175830832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 281, 562, 1124, 1405, 2248, 2810, 2851, 4496, 5620, 5702, 8992, 11240, 11404, 14255, 22480, 22808, 28510, 44960, 45616, 57020, 91232, 114040, 228080, 456160, 801131, 1602262, 3204524, 4005655, 6409048, 8011310, 12818096, 16022620, 25636192, 32045240, 64090480, 128180960]

約数ペア:

[(1, 128180960), (2, 64090480), (4, 32045240), (5, 25636192), (8, 16022620), (10, 12818096), (16, 8011310), (20, 6409048), (32, 4005655), (40, 3204524), (80, 1602262), (160, 801131), (281, 456160), (562, 228080), (1124, 114040), (1405, 91232), (2248, 57020), (2810, 45616), (2851, 44960), (4496, 28510), (5620, 22808), (5702, 22480), (8992, 14255), (11240, 11404)]