828807760

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{40949}}^1$

素因数の和:40996

約数の個数: 80

約数和(自身を含む): 2193609600

約数和(自身を除く): 1364801840

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 40, 44, 46, 55, 80, 88, 92, 110, 115, 176, 184, 220, 230, 253, 368, 440, 460, 506, 880, 920, 1012, 1265, 1840, 2024, 2530, 4048, 5060, 10120, 20240, 40949, 81898, 163796, 204745, 327592, 409490, 450439, 655184, 818980, 900878, 941827, 1637960, 1801756, 1883654, 2252195, 3275920, 3603512, 3767308, 4504390, 4709135, 7207024, 7534616, 9008780, 9418270, 10360097, 15069232, 18017560, 18836540, 20720194, 36035120, 37673080, 41440388, 51800485, 75346160, 82880776, 103600970, 165761552, 207201940, 414403880, 828807760]

約数ペア:

[(1, 828807760), (2, 414403880), (4, 207201940), (5, 165761552), (8, 103600970), (10, 82880776), (11, 75346160), (16, 51800485), (20, 41440388), (22, 37673080), (23, 36035120), (40, 20720194), (44, 18836540), (46, 18017560), (55, 15069232), (80, 10360097), (88, 9418270), (92, 9008780), (110, 7534616), (115, 7207024), (176, 4709135), (184, 4504390), (220, 3767308), (230, 3603512), (253, 3275920), (368, 2252195), (440, 1883654), (460, 1801756), (506, 1637960), (880, 941827), (920, 900878), (1012, 818980), (1265, 655184), (1840, 450439), (2024, 409490), (2530, 327592), (4048, 204745), (5060, 163796), (10120, 81898), (20240, 40949)]