About the Number

129128040

129128039 ← → 129128041

2進数表記:111101100100101011001101000

漢数字表記:一億二千九百十二万八千四十

素因数分解:

2 3 × 3 3 × 5 1 × 119563 1

素因数の和:119583
約数の個数: 64
約数和(自身を含む): 430430400
約数和(自身を除く): 301302360

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 119563, 239126, 358689, 478252, 597815, 717378, 956504, 1076067, 1195630, 1434756, 1793445, 2152134, 2391260, 2869512, 3228201, 3586890, 4304268, 4782520, 5380335, 6456402, 7173780, 8608536, 10760670, 12912804, 14347560, 16141005, 21521340, 25825608, 32282010, 43042680, 64564020, 129128040]

約数ペア:
[(1, 129128040), (2, 64564020), (3, 43042680), (4, 32282010), (5, 25825608), (6, 21521340), (8, 16141005), (9, 14347560), (10, 12912804), (12, 10760670), (15, 8608536), (18, 7173780), (20, 6456402), (24, 5380335), (27, 4782520), (30, 4304268), (36, 3586890), (40, 3228201), (45, 2869512), (54, 2391260), (60, 2152134), (72, 1793445), (90, 1434756), (108, 1195630), (120, 1076067), (135, 956504), (180, 717378), (216, 597815), (270, 478252), (360, 358689), (540, 239126), (1080, 119563)]

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