164171840

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{73291}}^1$

素因数の和:73315

約数の個数: 56

約数和(自身を含む): 446788032

約数和(自身を除く): 282616192

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 73291, 146582, 293164, 366455, 513037, 586328, 732910, 1026074, 1172656, 1465820, 2052148, 2345312, 2565185, 2931640, 4104296, 4690624, 5130370, 5863280, 8208592, 10260740, 11726560, 16417184, 20521480, 23453120, 32834368, 41042960, 82085920, 164171840]

約数ペア:

[(1, 164171840), (2, 82085920), (4, 41042960), (5, 32834368), (7, 23453120), (8, 20521480), (10, 16417184), (14, 11726560), (16, 10260740), (20, 8208592), (28, 5863280), (32, 5130370), (35, 4690624), (40, 4104296), (56, 2931640), (64, 2565185), (70, 2345312), (80, 2052148), (112, 1465820), (140, 1172656), (160, 1026074), (224, 732910), (280, 586328), (320, 513037), (448, 366455), (560, 293164), (1120, 146582), (2240, 73291)]