About the Number

30008280

30008279 ← → 30008281

2進数表記:1110010011110001111011000

漢数字表記:三千万八千二百八十

素因数分解:

2 3 × 3 1 × 5 1 × 113 1 × 2213 1

素因数の和:2340
約数の個数: 64
約数和(自身を含む): 90862560
約数和(自身を除く): 60854280

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 113, 120, 226, 339, 452, 565, 678, 904, 1130, 1356, 1695, 2213, 2260, 2712, 3390, 4426, 4520, 6639, 6780, 8852, 11065, 13278, 13560, 17704, 22130, 26556, 33195, 44260, 53112, 66390, 88520, 132780, 250069, 265560, 500138, 750207, 1000276, 1250345, 1500414, 2000552, 2500690, 3000828, 3751035, 5001380, 6001656, 7502070, 10002760, 15004140, 30008280]

約数ペア:
[(1, 30008280), (2, 15004140), (3, 10002760), (4, 7502070), (5, 6001656), (6, 5001380), (8, 3751035), (10, 3000828), (12, 2500690), (15, 2000552), (20, 1500414), (24, 1250345), (30, 1000276), (40, 750207), (60, 500138), (113, 265560), (120, 250069), (226, 132780), (339, 88520), (452, 66390), (565, 53112), (678, 44260), (904, 33195), (1130, 26556), (1356, 22130), (1695, 17704), (2213, 13560), (2260, 13278), (2712, 11065), (3390, 8852), (4426, 6780), (4520, 6639)]

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