77980680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{863}}^1$

素因数の和:1131

約数の個数: 96

約数和(自身を含む): 254741760

約数和(自身を除く): 176761080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 251, 360, 502, 753, 863, 1004, 1255, 1506, 1726, 2008, 2259, 2510, 2589, 3012, 3452, 3765, 4315, 4518, 5020, 5178, 6024, 6904, 7530, 7767, 8630, 9036, 10040, 10356, 11295, 12945, 15060, 15534, 17260, 18072, 20712, 22590, 25890, 30120, 31068, 34520, 38835, 45180, 51780, 62136, 77670, 90360, 103560, 155340, 216613, 310680, 433226, 649839, 866452, 1083065, 1299678, 1732904, 1949517, 2166130, 2599356, 3249195, 3899034, 4332260, 5198712, 6498390, 7798068, 8664520, 9747585, 12996780, 15596136, 19495170, 25993560, 38990340, 77980680]

約数ペア:

[(1, 77980680), (2, 38990340), (3, 25993560), (4, 19495170), (5, 15596136), (6, 12996780), (8, 9747585), (9, 8664520), (10, 7798068), (12, 6498390), (15, 5198712), (18, 4332260), (20, 3899034), (24, 3249195), (30, 2599356), (36, 2166130), (40, 1949517), (45, 1732904), (60, 1299678), (72, 1083065), (90, 866452), (120, 649839), (180, 433226), (251, 310680), (360, 216613), (502, 155340), (753, 103560), (863, 90360), (1004, 77670), (1255, 62136), (1506, 51780), (1726, 45180), (2008, 38835), (2259, 34520), (2510, 31068), (2589, 30120), (3012, 25890), (3452, 22590), (3765, 20712), (4315, 18072), (4518, 17260), (5020, 15534), (5178, 15060), (6024, 12945), (6904, 11295), (7530, 10356), (7767, 10040), (8630, 9036)]