165141920

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{54323}}^1$

素因数の和:54357

約数の個数: 48

約数和(自身を含む): 410689440

約数和(自身を除く): 245547520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 54323, 108646, 217292, 271615, 434584, 543230, 869168, 1032137, 1086460, 1738336, 2064274, 2172920, 4128548, 4345840, 5160685, 8257096, 8691680, 10321370, 16514192, 20642740, 33028384, 41285480, 82570960, 165141920]

約数ペア:

[(1, 165141920), (2, 82570960), (4, 41285480), (5, 33028384), (8, 20642740), (10, 16514192), (16, 10321370), (19, 8691680), (20, 8257096), (32, 5160685), (38, 4345840), (40, 4128548), (76, 2172920), (80, 2064274), (95, 1738336), (152, 1086460), (160, 1032137), (190, 869168), (304, 543230), (380, 434584), (608, 271615), (760, 217292), (1520, 108646), (3040, 54323)]