About the Number

28770240

28770239 ← → 28770241

2進数表記:1101101101111111111000000

漢数字表記:二千八百七十七万二百四十

素因数分解:

2 6 × 3 1 × 5 1 × 23 1 × 1303 1

素因数の和:1346
約数の個数: 112
約数和(自身を含む): 95390208
約数和(自身を除く): 66619968

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 64, 69, 80, 92, 96, 115, 120, 138, 160, 184, 192, 230, 240, 276, 320, 345, 368, 460, 480, 552, 690, 736, 920, 960, 1104, 1303, 1380, 1472, 1840, 2208, 2606, 2760, 3680, 3909, 4416, 5212, 5520, 6515, 7360, 7818, 10424, 11040, 13030, 15636, 19545, 20848, 22080, 26060, 29969, 31272, 39090, 41696, 52120, 59938, 62544, 78180, 83392, 89907, 104240, 119876, 125088, 149845, 156360, 179814, 208480, 239752, 250176, 299690, 312720, 359628, 416960, 449535, 479504, 599380, 625440, 719256, 899070, 959008, 1198760, 1250880, 1438512, 1798140, 1918016, 2397520, 2877024, 3596280, 4795040, 5754048, 7192560, 9590080, 14385120, 28770240]

約数ペア:
[(1, 28770240), (2, 14385120), (3, 9590080), (4, 7192560), (5, 5754048), (6, 4795040), (8, 3596280), (10, 2877024), (12, 2397520), (15, 1918016), (16, 1798140), (20, 1438512), (23, 1250880), (24, 1198760), (30, 959008), (32, 899070), (40, 719256), (46, 625440), (48, 599380), (60, 479504), (64, 449535), (69, 416960), (80, 359628), (92, 312720), (96, 299690), (115, 250176), (120, 239752), (138, 208480), (160, 179814), (184, 156360), (192, 149845), (230, 125088), (240, 119876), (276, 104240), (320, 89907), (345, 83392), (368, 78180), (460, 62544), (480, 59938), (552, 52120), (690, 41696), (736, 39090), (920, 31272), (960, 29969), (1104, 26060), (1303, 22080), (1380, 20848), (1472, 19545), (1840, 15636), (2208, 13030), (2606, 11040), (2760, 10424), (3680, 7818), (3909, 7360), (4416, 6515), (5212, 5520)]

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