About the Number
30480720
2進数表記:1110100010001100101010000
漢数字表記:三千四十八万七百二十
素因数分解:
素因数の和:1532
約数の個数: 80
約数和(自身を含む): 95618880
約数和(自身を除く): 65138160
約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 89, 120, 178, 240, 267, 356, 445, 534, 712, 890, 1068, 1335, 1424, 1427, 1780, 2136, 2670, 2854, 3560, 4272, 4281, 5340, 5708, 7120, 7135, 8562, 10680, 11416, 14270, 17124, 21360, 21405, 22832, 28540, 34248, 42810, 57080, 68496, 85620, 114160, 127003, 171240, 254006, 342480, 381009, 508012, 635015, 762018, 1016024, 1270030, 1524036, 1905045, 2032048, 2540060, 3048072, 3810090, 5080120, 6096144, 7620180, 10160240, 15240360, 30480720]
約数ペア:
[(1, 30480720), (2, 15240360), (3, 10160240), (4, 7620180), (5, 6096144), (6, 5080120), (8, 3810090), (10, 3048072), (12, 2540060), (15, 2032048), (16, 1905045), (20, 1524036), (24, 1270030), (30, 1016024), (40, 762018), (48, 635015), (60, 508012), (80, 381009), (89, 342480), (120, 254006), (178, 171240), (240, 127003), (267, 114160), (356, 85620), (445, 68496), (534, 57080), (712, 42810), (890, 34248), (1068, 28540), (1335, 22832), (1424, 21405), (1427, 21360), (1780, 17124), (2136, 14270), (2670, 11416), (2854, 10680), (3560, 8562), (4272, 7135), (4281, 7120), (5340, 5708)]このpageの処理時間: 0.005234479904174805 seconds