About the Number

12801000

12800999 ← → 12801001

2進数表記:110000110101001111101000

漢数字表記:千二百八十万千

素因数分解:

2 3 × 3 1 × 5 3 × 17 1 × 251 1

素因数の和:292
約数の個数: 128
約数和(自身を含む): 42456960
約数和(自身を除く): 29655960

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 25, 30, 34, 40, 50, 51, 60, 68, 75, 85, 100, 102, 120, 125, 136, 150, 170, 200, 204, 250, 251, 255, 300, 340, 375, 408, 425, 500, 502, 510, 600, 680, 750, 753, 850, 1000, 1004, 1020, 1255, 1275, 1500, 1506, 1700, 2008, 2040, 2125, 2510, 2550, 3000, 3012, 3400, 3765, 4250, 4267, 5020, 5100, 6024, 6275, 6375, 7530, 8500, 8534, 10040, 10200, 12550, 12750, 12801, 15060, 17000, 17068, 18825, 21335, 25100, 25500, 25602, 30120, 31375, 34136, 37650, 42670, 50200, 51000, 51204, 62750, 64005, 75300, 85340, 94125, 102408, 106675, 125500, 128010, 150600, 170680, 188250, 213350, 251000, 256020, 320025, 376500, 426700, 512040, 533375, 640050, 753000, 853400, 1066750, 1280100, 1600125, 2133500, 2560200, 3200250, 4267000, 6400500, 12801000]

約数ペア:
[(1, 12801000), (2, 6400500), (3, 4267000), (4, 3200250), (5, 2560200), (6, 2133500), (8, 1600125), (10, 1280100), (12, 1066750), (15, 853400), (17, 753000), (20, 640050), (24, 533375), (25, 512040), (30, 426700), (34, 376500), (40, 320025), (50, 256020), (51, 251000), (60, 213350), (68, 188250), (75, 170680), (85, 150600), (100, 128010), (102, 125500), (120, 106675), (125, 102408), (136, 94125), (150, 85340), (170, 75300), (200, 64005), (204, 62750), (250, 51204), (251, 51000), (255, 50200), (300, 42670), (340, 37650), (375, 34136), (408, 31375), (425, 30120), (500, 25602), (502, 25500), (510, 25100), (600, 21335), (680, 18825), (750, 17068), (753, 17000), (850, 15060), (1000, 12801), (1004, 12750), (1020, 12550), (1255, 10200), (1275, 10040), (1500, 8534), (1506, 8500), (1700, 7530), (2008, 6375), (2040, 6275), (2125, 6024), (2510, 5100), (2550, 5020), (3000, 4267), (3012, 4250), (3400, 3765)]

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