215720880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{907}}^1\times {\mathrm{991}}^1$

素因数の和:1914

約数の個数: 80

約数和(自身を含む): 670147584

約数和(自身を除く): 454426704

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 907, 991, 1814, 1982, 2721, 2973, 3628, 3964, 4535, 4955, 5442, 5946, 7256, 7928, 9070, 9910, 10884, 11892, 13605, 14512, 14865, 15856, 18140, 19820, 21768, 23784, 27210, 29730, 36280, 39640, 43536, 47568, 54420, 59460, 72560, 79280, 108840, 118920, 217680, 237840, 898837, 1797674, 2696511, 3595348, 4494185, 5393022, 7190696, 8988370, 10786044, 13482555, 14381392, 17976740, 21572088, 26965110, 35953480, 43144176, 53930220, 71906960, 107860440, 215720880]

約数ペア:

[(1, 215720880), (2, 107860440), (3, 71906960), (4, 53930220), (5, 43144176), (6, 35953480), (8, 26965110), (10, 21572088), (12, 17976740), (15, 14381392), (16, 13482555), (20, 10786044), (24, 8988370), (30, 7190696), (40, 5393022), (48, 4494185), (60, 3595348), (80, 2696511), (120, 1797674), (240, 898837), (907, 237840), (991, 217680), (1814, 118920), (1982, 108840), (2721, 79280), (2973, 72560), (3628, 59460), (3964, 54420), (4535, 47568), (4955, 43536), (5442, 39640), (5946, 36280), (7256, 29730), (7928, 27210), (9070, 23784), (9910, 21768), (10884, 19820), (11892, 18140), (13605, 15856), (14512, 14865)]