About the Number

130215120

130215119 ← → 130215121

2進数表記:111110000101110110011010000

漢数字表記:一億三千二十一万五千百二十

素因数分解:

2 4 × 3 1 × 5 1 × 7 1 × 77509 1

素因数の和:77532
約数の個数: 80
約数和(自身を含む): 461339520
約数和(自身を除く): 331124400

約数列:
[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 77509, 155018, 232527, 310036, 387545, 465054, 542563, 620072, 775090, 930108, 1085126, 1162635, 1240144, 1550180, 1627689, 1860216, 2170252, 2325270, 2712815, 3100360, 3255378, 3720432, 4340504, 4650540, 5425630, 6200720, 6510756, 8138445, 8681008, 9301080, 10851260, 13021512, 16276890, 18602160, 21702520, 26043024, 32553780, 43405040, 65107560, 130215120]

約数ペア:
[(1, 130215120), (2, 65107560), (3, 43405040), (4, 32553780), (5, 26043024), (6, 21702520), (7, 18602160), (8, 16276890), (10, 13021512), (12, 10851260), (14, 9301080), (15, 8681008), (16, 8138445), (20, 6510756), (21, 6200720), (24, 5425630), (28, 4650540), (30, 4340504), (35, 3720432), (40, 3255378), (42, 3100360), (48, 2712815), (56, 2325270), (60, 2170252), (70, 1860216), (80, 1627689), (84, 1550180), (105, 1240144), (112, 1162635), (120, 1085126), (140, 930108), (168, 775090), (210, 620072), (240, 542563), (280, 465054), (336, 387545), (420, 310036), (560, 232527), (840, 155018), (1680, 77509)]

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