About the Number
121681980
2進数表記:111010000001011100000111100
漢数字表記:一億二千百六十八万千九百八十
素因数分解:
素因数の和:32216
約数の個数: 96
約数和(自身を含む): 432660480
約数和(自身を除く): 310978500
約数列:
[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 32191, 64382, 96573, 128764, 160955, 193146, 225337, 289719, 321910, 386292, 450674, 482865, 579438, 643820, 676011, 869157, 901348, 965730, 1126685, 1158876, 1352022, 1448595, 1738314, 1931460, 2028033, 2253370, 2704044, 2897190, 3380055, 3476628, 4056066, 4345785, 4506740, 5794380, 6084099, 6760110, 8112132, 8691570, 10140165, 12168198, 13520220, 17383140, 20280330, 24336396, 30420495, 40560660, 60840990, 121681980]
約数ペア:
[(1, 121681980), (2, 60840990), (3, 40560660), (4, 30420495), (5, 24336396), (6, 20280330), (7, 17383140), (9, 13520220), (10, 12168198), (12, 10140165), (14, 8691570), (15, 8112132), (18, 6760110), (20, 6084099), (21, 5794380), (27, 4506740), (28, 4345785), (30, 4056066), (35, 3476628), (36, 3380055), (42, 2897190), (45, 2704044), (54, 2253370), (60, 2028033), (63, 1931460), (70, 1738314), (84, 1448595), (90, 1352022), (105, 1158876), (108, 1126685), (126, 965730), (135, 901348), (140, 869157), (180, 676011), (189, 643820), (210, 579438), (252, 482865), (270, 450674), (315, 386292), (378, 321910), (420, 289719), (540, 225337), (630, 193146), (756, 160955), (945, 128764), (1260, 96573), (1890, 64382), (3780, 32191)]このpageの処理時間: 0.013196468353271484 seconds