About the Number

12642480

12642479 ← → 12642481

2進数表記:110000001110100010110000

漢数字表記:千二百六十四万二千四百八十

素因数分解:

2 4 × 3 4 × 5 1 × 1951 1

素因数の和:1976
約数の個数: 100
約数和(自身を含む): 43931712
約数和(自身を除く): 31289232

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 270, 324, 360, 405, 432, 540, 648, 720, 810, 1080, 1296, 1620, 1951, 2160, 3240, 3902, 5853, 6480, 7804, 9755, 11706, 15608, 17559, 19510, 23412, 29265, 31216, 35118, 39020, 46824, 52677, 58530, 70236, 78040, 87795, 93648, 105354, 117060, 140472, 156080, 158031, 175590, 210708, 234120, 263385, 280944, 316062, 351180, 421416, 468240, 526770, 632124, 702360, 790155, 842832, 1053540, 1264248, 1404720, 1580310, 2107080, 2528496, 3160620, 4214160, 6321240, 12642480]

約数ペア:
[(1, 12642480), (2, 6321240), (3, 4214160), (4, 3160620), (5, 2528496), (6, 2107080), (8, 1580310), (9, 1404720), (10, 1264248), (12, 1053540), (15, 842832), (16, 790155), (18, 702360), (20, 632124), (24, 526770), (27, 468240), (30, 421416), (36, 351180), (40, 316062), (45, 280944), (48, 263385), (54, 234120), (60, 210708), (72, 175590), (80, 158031), (81, 156080), (90, 140472), (108, 117060), (120, 105354), (135, 93648), (144, 87795), (162, 78040), (180, 70236), (216, 58530), (240, 52677), (270, 46824), (324, 39020), (360, 35118), (405, 31216), (432, 29265), (540, 23412), (648, 19510), (720, 17559), (810, 15608), (1080, 11706), (1296, 9755), (1620, 7804), (1951, 6480), (2160, 5853), (3240, 3902)]

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