About the Number

12651240

12651239 ← → 12651241

2進数表記:110000010000101011101000

漢数字表記:千二百六十五万千二百四十

素因数分解:

2 3 × 3 1 × 5 1 × 7 1 × 15061 1

素因数の和:15082
約数の個数: 64
約数和(自身を含む): 43378560
約数和(自身を除く): 30727320

約数列:
[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 15061, 30122, 45183, 60244, 75305, 90366, 105427, 120488, 150610, 180732, 210854, 225915, 301220, 316281, 361464, 421708, 451830, 527135, 602440, 632562, 843416, 903660, 1054270, 1265124, 1581405, 1807320, 2108540, 2530248, 3162810, 4217080, 6325620, 12651240]

約数ペア:
[(1, 12651240), (2, 6325620), (3, 4217080), (4, 3162810), (5, 2530248), (6, 2108540), (7, 1807320), (8, 1581405), (10, 1265124), (12, 1054270), (14, 903660), (15, 843416), (20, 632562), (21, 602440), (24, 527135), (28, 451830), (30, 421708), (35, 361464), (40, 316281), (42, 301220), (56, 225915), (60, 210854), (70, 180732), (84, 150610), (105, 120488), (120, 105427), (140, 90366), (168, 75305), (210, 60244), (280, 45183), (420, 30122), (840, 15061)]

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