About the Number

28728960

28728959 ← → 28728961

2進数表記:1101101100101111010000000

漢数字表記:二千八百七十二万八千九百六十

素因数分解:

2 7 × 3 1 × 5 1 × 13 1 × 1151 1

素因数の和:1186
約数の個数: 128
約数和(自身を含む): 98703360
約数和(自身を除く): 69974400

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 384, 390, 416, 480, 520, 624, 640, 780, 832, 960, 1040, 1151, 1248, 1560, 1664, 1920, 2080, 2302, 2496, 3120, 3453, 4160, 4604, 4992, 5755, 6240, 6906, 8320, 9208, 11510, 12480, 13812, 14963, 17265, 18416, 23020, 24960, 27624, 29926, 34530, 36832, 44889, 46040, 55248, 59852, 69060, 73664, 74815, 89778, 92080, 110496, 119704, 138120, 147328, 149630, 179556, 184160, 220992, 224445, 239408, 276240, 299260, 359112, 368320, 441984, 448890, 478816, 552480, 598520, 718224, 736640, 897780, 957632, 1104960, 1197040, 1436448, 1795560, 1915264, 2209920, 2394080, 2872896, 3591120, 4788160, 5745792, 7182240, 9576320, 14364480, 28728960]

約数ペア:
[(1, 28728960), (2, 14364480), (3, 9576320), (4, 7182240), (5, 5745792), (6, 4788160), (8, 3591120), (10, 2872896), (12, 2394080), (13, 2209920), (15, 1915264), (16, 1795560), (20, 1436448), (24, 1197040), (26, 1104960), (30, 957632), (32, 897780), (39, 736640), (40, 718224), (48, 598520), (52, 552480), (60, 478816), (64, 448890), (65, 441984), (78, 368320), (80, 359112), (96, 299260), (104, 276240), (120, 239408), (128, 224445), (130, 220992), (156, 184160), (160, 179556), (192, 149630), (195, 147328), (208, 138120), (240, 119704), (260, 110496), (312, 92080), (320, 89778), (384, 74815), (390, 73664), (416, 69060), (480, 59852), (520, 55248), (624, 46040), (640, 44889), (780, 36832), (832, 34530), (960, 29926), (1040, 27624), (1151, 24960), (1248, 23020), (1560, 18416), (1664, 17265), (1920, 14963), (2080, 13812), (2302, 12480), (2496, 11510), (3120, 9208), (3453, 8320), (4160, 6906), (4604, 6240), (4992, 5755)]

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