About the Number

80715390

80715389 ← → 80715391

2進数表記:100110011111001111001111110

漢数字表記:八千七十一万五千三百九十

素因数分解:

2 1 × 3 1 × 5 1 × 7 1 × 384359 1

素因数の和:384376
約数の個数: 32
約数和(自身を含む): 221391360
約数和(自身を除く): 140675970

約数列:
[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 384359, 768718, 1153077, 1921795, 2306154, 2690513, 3843590, 5381026, 5765385, 8071539, 11530770, 13452565, 16143078, 26905130, 40357695, 80715390]

約数ペア:
[(1, 80715390), (2, 40357695), (3, 26905130), (5, 16143078), (6, 13452565), (7, 11530770), (10, 8071539), (14, 5765385), (15, 5381026), (21, 3843590), (30, 2690513), (35, 2306154), (42, 1921795), (70, 1153077), (105, 768718), (210, 384359)]

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