161155840

素因数分解:

$2^8\times 5^1\times {\mathrm{137}}^1\times {\mathrm{919}}^1$

素因数の和:1077

約数の個数: 72

約数和(自身を含む): 389259360

約数和(自身を除く): 228103520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 137, 160, 256, 274, 320, 548, 640, 685, 919, 1096, 1280, 1370, 1838, 2192, 2740, 3676, 4384, 4595, 5480, 7352, 8768, 9190, 10960, 14704, 17536, 18380, 21920, 29408, 35072, 36760, 43840, 58816, 73520, 87680, 117632, 125903, 147040, 175360, 235264, 251806, 294080, 503612, 588160, 629515, 1007224, 1176320, 1259030, 2014448, 2518060, 4028896, 5036120, 8057792, 10072240, 16115584, 20144480, 32231168, 40288960, 80577920, 161155840]

約数ペア:

[(1, 161155840), (2, 80577920), (4, 40288960), (5, 32231168), (8, 20144480), (10, 16115584), (16, 10072240), (20, 8057792), (32, 5036120), (40, 4028896), (64, 2518060), (80, 2014448), (128, 1259030), (137, 1176320), (160, 1007224), (256, 629515), (274, 588160), (320, 503612), (548, 294080), (640, 251806), (685, 235264), (919, 175360), (1096, 147040), (1280, 125903), (1370, 117632), (1838, 87680), (2192, 73520), (2740, 58816), (3676, 43840), (4384, 36760), (4595, 35072), (5480, 29408), (7352, 21920), (8768, 18380), (9190, 17536), (10960, 14704)]