About the Number

472016640

472016639 ← → 472016641

2進数表記:11100001000100110011100000000

漢数字表記:四億七千二百一万六千六百四十

素因数分解:

2 8 × 3 1 × 5 1 × 122921 1

素因数の和:122945
約数の個数: 72
約数和(自身を含む): 1507515408
約数和(自身を除く): 1035498768

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 640, 768, 960, 1280, 1920, 3840, 122921, 245842, 368763, 491684, 614605, 737526, 983368, 1229210, 1475052, 1843815, 1966736, 2458420, 2950104, 3687630, 3933472, 4916840, 5900208, 7375260, 7866944, 9833680, 11800416, 14750520, 15733888, 19667360, 23600832, 29501040, 31467776, 39334720, 47201664, 59002080, 78669440, 94403328, 118004160, 157338880, 236008320, 472016640]

約数ペア:
[(1, 472016640), (2, 236008320), (3, 157338880), (4, 118004160), (5, 94403328), (6, 78669440), (8, 59002080), (10, 47201664), (12, 39334720), (15, 31467776), (16, 29501040), (20, 23600832), (24, 19667360), (30, 15733888), (32, 14750520), (40, 11800416), (48, 9833680), (60, 7866944), (64, 7375260), (80, 5900208), (96, 4916840), (120, 3933472), (128, 3687630), (160, 2950104), (192, 2458420), (240, 1966736), (256, 1843815), (320, 1475052), (384, 1229210), (480, 983368), (640, 737526), (768, 614605), (960, 491684), (1280, 368763), (1920, 245842), (3840, 122921)]

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