About the Number

128160

128159 ← → 128161

2進数表記:11111010010100000

漢数字表記:十二万八千百六十

素因数分解:

2 5 × 3 2 × 5 1 × 89 1

素因数の和:110
約数の個数: 72
約数和(自身を含む): 442260
約数和(自身を除く): 314100

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 89, 90, 96, 120, 144, 160, 178, 180, 240, 267, 288, 356, 360, 445, 480, 534, 712, 720, 801, 890, 1068, 1335, 1424, 1440, 1602, 1780, 2136, 2670, 2848, 3204, 3560, 4005, 4272, 5340, 6408, 7120, 8010, 8544, 10680, 12816, 14240, 16020, 21360, 25632, 32040, 42720, 64080, 128160]

約数ペア:
[(1, 128160), (2, 64080), (3, 42720), (4, 32040), (5, 25632), (6, 21360), (8, 16020), (9, 14240), (10, 12816), (12, 10680), (15, 8544), (16, 8010), (18, 7120), (20, 6408), (24, 5340), (30, 4272), (32, 4005), (36, 3560), (40, 3204), (45, 2848), (48, 2670), (60, 2136), (72, 1780), (80, 1602), (89, 1440), (90, 1424), (96, 1335), (120, 1068), (144, 890), (160, 801), (178, 720), (180, 712), (240, 534), (267, 480), (288, 445), (356, 360)]

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