About the Number

120881730

120881729 ← → 120881731

2進数表記:111001101001000001001000010

漢数字表記:一億二千八十八万千七百三十

素因数分解:

2 1 × 3 1 × 5 1 × 17 1 × 421 1 × 563 1

素因数の和:1011
約数の個数: 64
約数和(自身を含む): 308458368
約数和(自身を除く): 187576638

約数列:
[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 421, 510, 563, 842, 1126, 1263, 1689, 2105, 2526, 2815, 3378, 4210, 5630, 6315, 7157, 8445, 9571, 12630, 14314, 16890, 19142, 21471, 28713, 35785, 42942, 47855, 57426, 71570, 95710, 107355, 143565, 214710, 237023, 287130, 474046, 711069, 1185115, 1422138, 2370230, 3555345, 4029391, 7110690, 8058782, 12088173, 20146955, 24176346, 40293910, 60440865, 120881730]

約数ペア:
[(1, 120881730), (2, 60440865), (3, 40293910), (5, 24176346), (6, 20146955), (10, 12088173), (15, 8058782), (17, 7110690), (30, 4029391), (34, 3555345), (51, 2370230), (85, 1422138), (102, 1185115), (170, 711069), (255, 474046), (421, 287130), (510, 237023), (563, 214710), (842, 143565), (1126, 107355), (1263, 95710), (1689, 71570), (2105, 57426), (2526, 47855), (2815, 42942), (3378, 35785), (4210, 28713), (5630, 21471), (6315, 19142), (7157, 16890), (8445, 14314), (9571, 12630)]

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