About the Number
81387120
2進数表記:100110110011101111001110000
漢数字表記:八千百三十八万七千百二十
素因数分解:
素因数の和:3130
約数の個数: 80
約数和(自身を含む): 254617632
約数和(自身を除く): 173230512
約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 113, 120, 226, 240, 339, 452, 565, 678, 904, 1130, 1356, 1695, 1808, 2260, 2712, 3001, 3390, 4520, 5424, 6002, 6780, 9003, 9040, 12004, 13560, 15005, 18006, 24008, 27120, 30010, 36012, 45015, 48016, 60020, 72024, 90030, 120040, 144048, 180060, 240080, 339113, 360120, 678226, 720240, 1017339, 1356452, 1695565, 2034678, 2712904, 3391130, 4069356, 5086695, 5425808, 6782260, 8138712, 10173390, 13564520, 16277424, 20346780, 27129040, 40693560, 81387120]
約数ペア:
[(1, 81387120), (2, 40693560), (3, 27129040), (4, 20346780), (5, 16277424), (6, 13564520), (8, 10173390), (10, 8138712), (12, 6782260), (15, 5425808), (16, 5086695), (20, 4069356), (24, 3391130), (30, 2712904), (40, 2034678), (48, 1695565), (60, 1356452), (80, 1017339), (113, 720240), (120, 678226), (226, 360120), (240, 339113), (339, 240080), (452, 180060), (565, 144048), (678, 120040), (904, 90030), (1130, 72024), (1356, 60020), (1695, 48016), (1808, 45015), (2260, 36012), (2712, 30010), (3001, 27120), (3390, 24008), (4520, 18006), (5424, 15005), (6002, 13560), (6780, 12004), (9003, 9040)]このpageの処理時間: 0.007056474685668945 seconds