About the Number

121652640

121652639 ← → 121652641

2進数表記:111010000000100010110100000

漢数字表記:一億二千百六十五万二千六百四十

素因数分解:

2 5 × 3 2 × 5 1 × 84481 1

素因数の和:84502
約数の個数: 72
約数和(自身を含む): 415144548
約数和(自身を除く): 293491908

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, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 84481, 168962, 253443, 337924, 422405, 506886, 675848, 760329, 844810, 1013772, 1267215, 1351696, 1520658, 1689620, 2027544, 2534430, 2703392, 3041316, 3379240, 3801645, 4055088, 5068860, 6082632, 6758480, 7603290, 8110176, 10137720, 12165264, 13516960, 15206580, 20275440, 24330528, 30413160, 40550880, 60826320, 121652640]

約数ペア:
[(1, 121652640), (2, 60826320), (3, 40550880), (4, 30413160), (5, 24330528), (6, 20275440), (8, 15206580), (9, 13516960), (10, 12165264), (12, 10137720), (15, 8110176), (16, 7603290), (18, 6758480), (20, 6082632), (24, 5068860), (30, 4055088), (32, 3801645), (36, 3379240), (40, 3041316), (45, 2703392), (48, 2534430), (60, 2027544), (72, 1689620), (80, 1520658), (90, 1351696), (96, 1267215), (120, 1013772), (144, 844810), (160, 760329), (180, 675848), (240, 506886), (288, 422405), (360, 337924), (480, 253443), (720, 168962), (1440, 84481)]

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