About the Number

1889280

1889279 ← → 1889281

2進数表記:111001101010000000000

漢数字表記:百八十八万九千二百八十

素因数分解:

2 10 × 3 2 × 5 1 × 41 1

素因数の和:72
約数の個数: 132
約数和(自身を含む): 6705972
約数和(自身を除く): 4816692

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 41, 45, 48, 60, 64, 72, 80, 82, 90, 96, 120, 123, 128, 144, 160, 164, 180, 192, 205, 240, 246, 256, 288, 320, 328, 360, 369, 384, 410, 480, 492, 512, 576, 615, 640, 656, 720, 738, 768, 820, 960, 984, 1024, 1152, 1230, 1280, 1312, 1440, 1476, 1536, 1640, 1845, 1920, 1968, 2304, 2460, 2560, 2624, 2880, 2952, 3072, 3280, 3690, 3840, 3936, 4608, 4920, 5120, 5248, 5760, 5904, 6560, 7380, 7680, 7872, 9216, 9840, 10496, 11520, 11808, 13120, 14760, 15360, 15744, 19680, 20992, 23040, 23616, 26240, 29520, 31488, 39360, 41984, 46080, 47232, 52480, 59040, 62976, 78720, 94464, 104960, 118080, 125952, 157440, 188928, 209920, 236160, 314880, 377856, 472320, 629760, 944640, 1889280]

約数ペア:
[(1, 1889280), (2, 944640), (3, 629760), (4, 472320), (5, 377856), (6, 314880), (8, 236160), (9, 209920), (10, 188928), (12, 157440), (15, 125952), (16, 118080), (18, 104960), (20, 94464), (24, 78720), (30, 62976), (32, 59040), (36, 52480), (40, 47232), (41, 46080), (45, 41984), (48, 39360), (60, 31488), (64, 29520), (72, 26240), (80, 23616), (82, 23040), (90, 20992), (96, 19680), (120, 15744), (123, 15360), (128, 14760), (144, 13120), (160, 11808), (164, 11520), (180, 10496), (192, 9840), (205, 9216), (240, 7872), (246, 7680), (256, 7380), (288, 6560), (320, 5904), (328, 5760), (360, 5248), (369, 5120), (384, 4920), (410, 4608), (480, 3936), (492, 3840), (512, 3690), (576, 3280), (615, 3072), (640, 2952), (656, 2880), (720, 2624), (738, 2560), (768, 2460), (820, 2304), (960, 1968), (984, 1920), (1024, 1845), (1152, 1640), (1230, 1536), (1280, 1476), (1312, 1440)]

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