168392960

素因数分解:

$2^8\times 5^1\times {\mathrm{293}}^1\times {\mathrm{449}}^1$

素因数の和:763

約数の個数: 72

約数和(自身を含む): 405631800

約数和(自身を除く): 237238840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 293, 320, 449, 586, 640, 898, 1172, 1280, 1465, 1796, 2245, 2344, 2930, 3592, 4490, 4688, 5860, 7184, 8980, 9376, 11720, 14368, 17960, 18752, 23440, 28736, 35920, 37504, 46880, 57472, 71840, 75008, 93760, 114944, 131557, 143680, 187520, 263114, 287360, 375040, 526228, 574720, 657785, 1052456, 1315570, 2104912, 2631140, 4209824, 5262280, 8419648, 10524560, 16839296, 21049120, 33678592, 42098240, 84196480, 168392960]

約数ペア:

[(1, 168392960), (2, 84196480), (4, 42098240), (5, 33678592), (8, 21049120), (10, 16839296), (16, 10524560), (20, 8419648), (32, 5262280), (40, 4209824), (64, 2631140), (80, 2104912), (128, 1315570), (160, 1052456), (256, 657785), (293, 574720), (320, 526228), (449, 375040), (586, 287360), (640, 263114), (898, 187520), (1172, 143680), (1280, 131557), (1465, 114944), (1796, 93760), (2245, 75008), (2344, 71840), (2930, 57472), (3592, 46880), (4490, 37504), (4688, 35920), (5860, 28736), (7184, 23440), (8980, 18752), (9376, 17960), (11720, 14368)]