766523120

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{2069}}^1$

素因数の和:2514

約数の個数: 80

約数和(自身を含む): 1949741280

約数和(自身を除く): 1183218160

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 421, 440, 842, 880, 1684, 2069, 2105, 3368, 4138, 4210, 4631, 6736, 8276, 8420, 9262, 10345, 16552, 16840, 18524, 20690, 22759, 23155, 33104, 33680, 37048, 41380, 45518, 46310, 74096, 82760, 91036, 92620, 113795, 165520, 182072, 185240, 227590, 364144, 370480, 455180, 871049, 910360, 1742098, 1820720, 3484196, 4355245, 6968392, 8710490, 9581539, 13936784, 17420980, 19163078, 34841960, 38326156, 47907695, 69683920, 76652312, 95815390, 153304624, 191630780, 383261560, 766523120]

約数ペア:

[(1, 766523120), (2, 383261560), (4, 191630780), (5, 153304624), (8, 95815390), (10, 76652312), (11, 69683920), (16, 47907695), (20, 38326156), (22, 34841960), (40, 19163078), (44, 17420980), (55, 13936784), (80, 9581539), (88, 8710490), (110, 6968392), (176, 4355245), (220, 3484196), (421, 1820720), (440, 1742098), (842, 910360), (880, 871049), (1684, 455180), (2069, 370480), (2105, 364144), (3368, 227590), (4138, 185240), (4210, 182072), (4631, 165520), (6736, 113795), (8276, 92620), (8420, 91036), (9262, 82760), (10345, 74096), (16552, 46310), (16840, 45518), (18524, 41380), (20690, 37048), (22759, 33680), (23155, 33104)]