128023440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{499}}^1\times {\mathrm{1069}}^1$

素因数の和:1584

約数の個数: 80

約数和(自身を含む): 398040000

約数和(自身を除く): 270016560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 499, 998, 1069, 1497, 1996, 2138, 2495, 2994, 3207, 3992, 4276, 4990, 5345, 5988, 6414, 7485, 7984, 8552, 9980, 10690, 11976, 12828, 14970, 16035, 17104, 19960, 21380, 23952, 25656, 29940, 32070, 39920, 42760, 51312, 59880, 64140, 85520, 119760, 128280, 256560, 533431, 1066862, 1600293, 2133724, 2667155, 3200586, 4267448, 5334310, 6401172, 8001465, 8534896, 10668620, 12802344, 16002930, 21337240, 25604688, 32005860, 42674480, 64011720, 128023440]

約数ペア:

[(1, 128023440), (2, 64011720), (3, 42674480), (4, 32005860), (5, 25604688), (6, 21337240), (8, 16002930), (10, 12802344), (12, 10668620), (15, 8534896), (16, 8001465), (20, 6401172), (24, 5334310), (30, 4267448), (40, 3200586), (48, 2667155), (60, 2133724), (80, 1600293), (120, 1066862), (240, 533431), (499, 256560), (998, 128280), (1069, 119760), (1497, 85520), (1996, 64140), (2138, 59880), (2495, 51312), (2994, 42760), (3207, 39920), (3992, 32070), (4276, 29940), (4990, 25656), (5345, 23952), (5988, 21380), (6414, 19960), (7485, 17104), (7984, 16035), (8552, 14970), (9980, 12828), (10690, 11976)]