164356160

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{163}}^1$

素因数の和:340

約数の個数: 112

約数和(自身を含む): 413894016

約数和(自身を除く): 249537856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 137, 160, 163, 184, 230, 274, 320, 326, 368, 460, 548, 652, 685, 736, 815, 920, 1096, 1304, 1370, 1472, 1630, 1840, 2192, 2608, 2740, 3151, 3260, 3680, 3749, 4384, 5216, 5480, 6302, 6520, 7360, 7498, 8768, 10432, 10960, 12604, 13040, 14996, 15755, 18745, 21920, 22331, 25208, 26080, 29992, 31510, 37490, 43840, 44662, 50416, 52160, 59984, 63020, 74980, 89324, 100832, 111655, 119968, 126040, 149960, 178648, 201664, 223310, 239936, 252080, 299920, 357296, 446620, 504160, 513613, 599840, 714592, 893240, 1008320, 1027226, 1199680, 1429184, 1786480, 2054452, 2568065, 3572960, 4108904, 5136130, 7145920, 8217808, 10272260, 16435616, 20544520, 32871232, 41089040, 82178080, 164356160]

約数ペア:

[(1, 164356160), (2, 82178080), (4, 41089040), (5, 32871232), (8, 20544520), (10, 16435616), (16, 10272260), (20, 8217808), (23, 7145920), (32, 5136130), (40, 4108904), (46, 3572960), (64, 2568065), (80, 2054452), (92, 1786480), (115, 1429184), (137, 1199680), (160, 1027226), (163, 1008320), (184, 893240), (230, 714592), (274, 599840), (320, 513613), (326, 504160), (368, 446620), (460, 357296), (548, 299920), (652, 252080), (685, 239936), (736, 223310), (815, 201664), (920, 178648), (1096, 149960), (1304, 126040), (1370, 119968), (1472, 111655), (1630, 100832), (1840, 89324), (2192, 74980), (2608, 63020), (2740, 59984), (3151, 52160), (3260, 50416), (3680, 44662), (3749, 43840), (4384, 37490), (5216, 31510), (5480, 29992), (6302, 26080), (6520, 25208), (7360, 22331), (7498, 21920), (8768, 18745), (10432, 15755), (10960, 14996), (12604, 13040)]