128776640

素因数分解:

$2^6\times 5^1\times {\mathrm{107}}^1\times {\mathrm{3761}}^1$

素因数の和:3885

約数の個数: 56

約数和(自身を含む): 309597552

約数和(自身を除く): 180820912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 107, 160, 214, 320, 428, 535, 856, 1070, 1712, 2140, 3424, 3761, 4280, 6848, 7522, 8560, 15044, 17120, 18805, 30088, 34240, 37610, 60176, 75220, 120352, 150440, 240704, 300880, 402427, 601760, 804854, 1203520, 1609708, 2012135, 3219416, 4024270, 6438832, 8048540, 12877664, 16097080, 25755328, 32194160, 64388320, 128776640]

約数ペア:

[(1, 128776640), (2, 64388320), (4, 32194160), (5, 25755328), (8, 16097080), (10, 12877664), (16, 8048540), (20, 6438832), (32, 4024270), (40, 3219416), (64, 2012135), (80, 1609708), (107, 1203520), (160, 804854), (214, 601760), (320, 402427), (428, 300880), (535, 240704), (856, 150440), (1070, 120352), (1712, 75220), (2140, 60176), (3424, 37610), (3761, 34240), (4280, 30088), (6848, 18805), (7522, 17120), (8560, 15044)]