About the Number

131136780

131136779 ← → 131136781

2進数表記:111110100001111110100001100

漢数字表記:一億三千百十三万六千七百八十

素因数分解:

2 2 × 3 1 × 5 1 × 191 1 × 11443 1

素因数の和:11646
約数の個数: 48
約数和(自身を含む): 369137664
約数和(自身を除く): 238000884

約数列:
[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 191, 382, 573, 764, 955, 1146, 1910, 2292, 2865, 3820, 5730, 11443, 11460, 22886, 34329, 45772, 57215, 68658, 114430, 137316, 171645, 228860, 343290, 686580, 2185613, 4371226, 6556839, 8742452, 10928065, 13113678, 21856130, 26227356, 32784195, 43712260, 65568390, 131136780]

約数ペア:
[(1, 131136780), (2, 65568390), (3, 43712260), (4, 32784195), (5, 26227356), (6, 21856130), (10, 13113678), (12, 10928065), (15, 8742452), (20, 6556839), (30, 4371226), (60, 2185613), (191, 686580), (382, 343290), (573, 228860), (764, 171645), (955, 137316), (1146, 114430), (1910, 68658), (2292, 57215), (2865, 45772), (3820, 34329), (5730, 22886), (11443, 11460)]

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