About the Number

131640660

131640659 ← → 131640661

2進数表記:111110110001010110101010100

漢数字表記:一億三千百六十四万六百六十

素因数分解:

2 2 × 3 3 × 5 1 × 433 1 × 563 1

素因数の和:1014
約数の個数: 96
約数和(自身を含む): 411223680
約数和(自身を除く): 279583020

約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 433, 540, 563, 866, 1126, 1299, 1689, 1732, 2165, 2252, 2598, 2815, 3378, 3897, 4330, 5067, 5196, 5630, 6495, 6756, 7794, 8445, 8660, 10134, 11260, 11691, 12990, 15201, 15588, 16890, 19485, 20268, 23382, 25335, 25980, 30402, 33780, 38970, 46764, 50670, 58455, 60804, 76005, 77940, 101340, 116910, 152010, 233820, 243779, 304020, 487558, 731337, 975116, 1218895, 1462674, 2194011, 2437790, 2925348, 3656685, 4388022, 4875580, 6582033, 7313370, 8776044, 10970055, 13164066, 14626740, 21940110, 26328132, 32910165, 43880220, 65820330, 131640660]

約数ペア:
[(1, 131640660), (2, 65820330), (3, 43880220), (4, 32910165), (5, 26328132), (6, 21940110), (9, 14626740), (10, 13164066), (12, 10970055), (15, 8776044), (18, 7313370), (20, 6582033), (27, 4875580), (30, 4388022), (36, 3656685), (45, 2925348), (54, 2437790), (60, 2194011), (90, 1462674), (108, 1218895), (135, 975116), (180, 731337), (270, 487558), (433, 304020), (540, 243779), (563, 233820), (866, 152010), (1126, 116910), (1299, 101340), (1689, 77940), (1732, 76005), (2165, 60804), (2252, 58455), (2598, 50670), (2815, 46764), (3378, 38970), (3897, 33780), (4330, 30402), (5067, 25980), (5196, 25335), (5630, 23382), (6495, 20268), (6756, 19485), (7794, 16890), (8445, 15588), (8660, 15201), (10134, 12990), (11260, 11691)]

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