161479160

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1\times {\mathrm{373}}^1$

素因数の和:600

約数の個数: 64

約数和(自身を含む): 371606400

約数和(自身を除く): 210127240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 137, 158, 274, 316, 373, 395, 548, 632, 685, 746, 790, 1096, 1370, 1492, 1580, 1865, 2740, 2984, 3160, 3730, 5480, 7460, 10823, 14920, 21646, 29467, 43292, 51101, 54115, 58934, 86584, 102202, 108230, 117868, 147335, 204404, 216460, 235736, 255505, 294670, 408808, 432920, 511010, 589340, 1022020, 1178680, 2044040, 4036979, 8073958, 16147916, 20184895, 32295832, 40369790, 80739580, 161479160]

約数ペア:

[(1, 161479160), (2, 80739580), (4, 40369790), (5, 32295832), (8, 20184895), (10, 16147916), (20, 8073958), (40, 4036979), (79, 2044040), (137, 1178680), (158, 1022020), (274, 589340), (316, 511010), (373, 432920), (395, 408808), (548, 294670), (632, 255505), (685, 235736), (746, 216460), (790, 204404), (1096, 147335), (1370, 117868), (1492, 108230), (1580, 102202), (1865, 86584), (2740, 58934), (2984, 54115), (3160, 51101), (3730, 43292), (5480, 29467), (7460, 21646), (10823, 14920)]