About the Number

12942720

12942719 ← → 12942721

2進数表記:110001010111110110000000

漢数字表記:千二百九十四万二千七百二十

素因数分解:

2 7 × 3 3 × 5 1 × 7 1 × 107 1

素因数の和:142
約数の個数: 256
約数和(自身を含む): 52876800
約数和(自身を除く): 39934080

約数列:
[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 107, 108, 112, 120, 126, 128, 135, 140, 144, 160, 168, 180, 189, 192, 210, 214, 216, 224, 240, 252, 270, 280, 288, 315, 320, 321, 336, 360, 378, 384, 420, 428, 432, 448, 480, 504, 535, 540, 560, 576, 630, 640, 642, 672, 720, 749, 756, 840, 856, 864, 896, 945, 960, 963, 1008, 1070, 1080, 1120, 1152, 1260, 1284, 1344, 1440, 1498, 1512, 1605, 1680, 1712, 1728, 1890, 1920, 1926, 2016, 2140, 2160, 2240, 2247, 2520, 2568, 2688, 2880, 2889, 2996, 3024, 3210, 3360, 3424, 3456, 3745, 3780, 3852, 4032, 4280, 4320, 4480, 4494, 4815, 5040, 5136, 5760, 5778, 5992, 6048, 6420, 6720, 6741, 6848, 7490, 7560, 7704, 8064, 8560, 8640, 8988, 9630, 10080, 10272, 11235, 11556, 11984, 12096, 12840, 13440, 13482, 13696, 14445, 14980, 15120, 15408, 17120, 17280, 17976, 19260, 20160, 20223, 20544, 22470, 23112, 23968, 24192, 25680, 26964, 28890, 29960, 30240, 30816, 33705, 34240, 35952, 38520, 40320, 40446, 41088, 44940, 46224, 47936, 51360, 53928, 57780, 59920, 60480, 61632, 67410, 68480, 71904, 77040, 80892, 89880, 92448, 95872, 101115, 102720, 107856, 115560, 119840, 120960, 123264, 134820, 143808, 154080, 161784, 179760, 184896, 202230, 205440, 215712, 231120, 239680, 269640, 287616, 308160, 323568, 359520, 369792, 404460, 431424, 462240, 479360, 539280, 616320, 647136, 719040, 808920, 862848, 924480, 1078560, 1294272, 1438080, 1617840, 1848960, 2157120, 2588544, 3235680, 4314240, 6471360, 12942720]

約数ペア:
[(1, 12942720), (2, 6471360), (3, 4314240), (4, 3235680), (5, 2588544), (6, 2157120), (7, 1848960), (8, 1617840), (9, 1438080), (10, 1294272), (12, 1078560), (14, 924480), (15, 862848), (16, 808920), (18, 719040), (20, 647136), (21, 616320), (24, 539280), (27, 479360), (28, 462240), (30, 431424), (32, 404460), (35, 369792), (36, 359520), (40, 323568), (42, 308160), (45, 287616), (48, 269640), (54, 239680), (56, 231120), (60, 215712), (63, 205440), (64, 202230), (70, 184896), (72, 179760), (80, 161784), (84, 154080), (90, 143808), (96, 134820), (105, 123264), (107, 120960), (108, 119840), (112, 115560), (120, 107856), (126, 102720), (128, 101115), (135, 95872), (140, 92448), (144, 89880), (160, 80892), (168, 77040), (180, 71904), (189, 68480), (192, 67410), (210, 61632), (214, 60480), (216, 59920), (224, 57780), (240, 53928), (252, 51360), (270, 47936), (280, 46224), (288, 44940), (315, 41088), (320, 40446), (321, 40320), (336, 38520), (360, 35952), (378, 34240), (384, 33705), (420, 30816), (428, 30240), (432, 29960), (448, 28890), (480, 26964), (504, 25680), (535, 24192), (540, 23968), (560, 23112), (576, 22470), (630, 20544), (640, 20223), (642, 20160), (672, 19260), (720, 17976), (749, 17280), (756, 17120), (840, 15408), (856, 15120), (864, 14980), (896, 14445), (945, 13696), (960, 13482), (963, 13440), (1008, 12840), (1070, 12096), (1080, 11984), (1120, 11556), (1152, 11235), (1260, 10272), (1284, 10080), (1344, 9630), (1440, 8988), (1498, 8640), (1512, 8560), (1605, 8064), (1680, 7704), (1712, 7560), (1728, 7490), (1890, 6848), (1920, 6741), (1926, 6720), (2016, 6420), (2140, 6048), (2160, 5992), (2240, 5778), (2247, 5760), (2520, 5136), (2568, 5040), (2688, 4815), (2880, 4494), (2889, 4480), (2996, 4320), (3024, 4280), (3210, 4032), (3360, 3852), (3424, 3780), (3456, 3745)]

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