About the Number

12812355840

12812355839 ← → 12812355841

2進数表記:1011111011101011010000100100000000

漢数字表記:百二十八億千二百三十五万五千八百四十

素因数分解:

2 8 × 3 1 × 5 1 × 113 1 × 29527 1

素因数の和:29664
約数の個数: 144
約数和(自身を含む): 41282978688
約数和(自身を除く): 28470622848

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 113, 120, 128, 160, 192, 226, 240, 256, 320, 339, 384, 452, 480, 565, 640, 678, 768, 904, 960, 1130, 1280, 1356, 1695, 1808, 1920, 2260, 2712, 3390, 3616, 3840, 4520, 5424, 6780, 7232, 9040, 10848, 13560, 14464, 18080, 21696, 27120, 28928, 29527, 36160, 43392, 54240, 59054, 72320, 86784, 88581, 108480, 118108, 144640, 147635, 177162, 216960, 236216, 295270, 354324, 433920, 442905, 472432, 590540, 708648, 885810, 944864, 1181080, 1417296, 1771620, 1889728, 2362160, 2834592, 3336551, 3543240, 3779456, 4724320, 5669184, 6673102, 7086480, 7558912, 9448640, 10009653, 11338368, 13346204, 14172960, 16682755, 18897280, 20019306, 22676736, 26692408, 28345920, 33365510, 37794560, 40038612, 50048265, 53384816, 56691840, 66731020, 80077224, 100096530, 106769632, 113383680, 133462040, 160154448, 200193060, 213539264, 266924080, 320308896, 400386120, 427078528, 533848160, 640617792, 800772240, 854157056, 1067696320, 1281235584, 1601544480, 2135392640, 2562471168, 3203088960, 4270785280, 6406177920, 12812355840]

約数ペア:
[(1, 12812355840), (2, 6406177920), (3, 4270785280), (4, 3203088960), (5, 2562471168), (6, 2135392640), (8, 1601544480), (10, 1281235584), (12, 1067696320), (15, 854157056), (16, 800772240), (20, 640617792), (24, 533848160), (30, 427078528), (32, 400386120), (40, 320308896), (48, 266924080), (60, 213539264), (64, 200193060), (80, 160154448), (96, 133462040), (113, 113383680), (120, 106769632), (128, 100096530), (160, 80077224), (192, 66731020), (226, 56691840), (240, 53384816), (256, 50048265), (320, 40038612), (339, 37794560), (384, 33365510), (452, 28345920), (480, 26692408), (565, 22676736), (640, 20019306), (678, 18897280), (768, 16682755), (904, 14172960), (960, 13346204), (1130, 11338368), (1280, 10009653), (1356, 9448640), (1695, 7558912), (1808, 7086480), (1920, 6673102), (2260, 5669184), (2712, 4724320), (3390, 3779456), (3616, 3543240), (3840, 3336551), (4520, 2834592), (5424, 2362160), (6780, 1889728), (7232, 1771620), (9040, 1417296), (10848, 1181080), (13560, 944864), (14464, 885810), (18080, 708648), (21696, 590540), (27120, 472432), (28928, 442905), (29527, 433920), (36160, 354324), (43392, 295270), (54240, 236216), (59054, 216960), (72320, 177162), (86784, 147635), (88581, 144640), (108480, 118108)]

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