30731680

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1193}}^1$

素因数の和:1238

約数の個数: 96

約数和(自身を含む): 86655744

約数和(自身を除く): 55924064

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 160, 161, 184, 224, 230, 280, 322, 368, 460, 560, 644, 736, 805, 920, 1120, 1193, 1288, 1610, 1840, 2386, 2576, 3220, 3680, 4772, 5152, 5965, 6440, 8351, 9544, 11930, 12880, 16702, 19088, 23860, 25760, 27439, 33404, 38176, 41755, 47720, 54878, 66808, 83510, 95440, 109756, 133616, 137195, 167020, 190880, 192073, 219512, 267232, 274390, 334040, 384146, 439024, 548780, 668080, 768292, 878048, 960365, 1097560, 1336160, 1536584, 1920730, 2195120, 3073168, 3841460, 4390240, 6146336, 7682920, 15365840, 30731680]

約数ペア:

[(1, 30731680), (2, 15365840), (4, 7682920), (5, 6146336), (7, 4390240), (8, 3841460), (10, 3073168), (14, 2195120), (16, 1920730), (20, 1536584), (23, 1336160), (28, 1097560), (32, 960365), (35, 878048), (40, 768292), (46, 668080), (56, 548780), (70, 439024), (80, 384146), (92, 334040), (112, 274390), (115, 267232), (140, 219512), (160, 192073), (161, 190880), (184, 167020), (224, 137195), (230, 133616), (280, 109756), (322, 95440), (368, 83510), (460, 66808), (560, 54878), (644, 47720), (736, 41755), (805, 38176), (920, 33404), (1120, 27439), (1193, 25760), (1288, 23860), (1610, 19088), (1840, 16702), (2386, 12880), (2576, 11930), (3220, 9544), (3680, 8351), (4772, 6440), (5152, 5965)]