About the Number
12720
2進数表記:11000110110000
漢数字表記:一万二千七百二十
素因数分解:
素因数の和:69
約数の個数: 40
約数和(自身を含む): 40176
約数和(自身を除く): 27456
約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 53, 60, 80, 106, 120, 159, 212, 240, 265, 318, 424, 530, 636, 795, 848, 1060, 1272, 1590, 2120, 2544, 3180, 4240, 6360, 12720]
約数ペア:
[(1, 12720), (2, 6360), (3, 4240), (4, 3180), (5, 2544), (6, 2120), (8, 1590), (10, 1272), (12, 1060), (15, 848), (16, 795), (20, 636), (24, 530), (30, 424), (40, 318), (48, 265), (53, 240), (60, 212), (80, 159), (106, 120)]このpageの処理時間: 0.003631591796875 seconds