About the Number
212971680
2進数表記:1100101100011011000010100000
漢数字表記:二億千二百九十七万千六百八十
素因数分解:
素因数の和:16460
約数の個数: 120
約数和(自身を含む): 751658292
約数和(自身を除く): 538686612
約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 270, 288, 324, 360, 405, 432, 480, 540, 648, 720, 810, 864, 1080, 1296, 1440, 1620, 2160, 2592, 3240, 4320, 6480, 12960, 16433, 32866, 49299, 65732, 82165, 98598, 131464, 147897, 164330, 197196, 246495, 262928, 295794, 328660, 394392, 443691, 492990, 525856, 591588, 657320, 739485, 788784, 887382, 985980, 1183176, 1314640, 1331073, 1478970, 1577568, 1774764, 1971960, 2218455, 2366352, 2629280, 2662146, 2957940, 3549528, 3943920, 4436910, 4732704, 5324292, 5915880, 6655365, 7099056, 7887840, 8873820, 10648584, 11831760, 13310730, 14198112, 17747640, 21297168, 23663520, 26621460, 35495280, 42594336, 53242920, 70990560, 106485840, 212971680]
約数ペア:
[(1, 212971680), (2, 106485840), (3, 70990560), (4, 53242920), (5, 42594336), (6, 35495280), (8, 26621460), (9, 23663520), (10, 21297168), (12, 17747640), (15, 14198112), (16, 13310730), (18, 11831760), (20, 10648584), (24, 8873820), (27, 7887840), (30, 7099056), (32, 6655365), (36, 5915880), (40, 5324292), (45, 4732704), (48, 4436910), (54, 3943920), (60, 3549528), (72, 2957940), (80, 2662146), (81, 2629280), (90, 2366352), (96, 2218455), (108, 1971960), (120, 1774764), (135, 1577568), (144, 1478970), (160, 1331073), (162, 1314640), (180, 1183176), (216, 985980), (240, 887382), (270, 788784), (288, 739485), (324, 657320), (360, 591588), (405, 525856), (432, 492990), (480, 443691), (540, 394392), (648, 328660), (720, 295794), (810, 262928), (864, 246495), (1080, 197196), (1296, 164330), (1440, 147897), (1620, 131464), (2160, 98598), (2592, 82165), (3240, 65732), (4320, 49299), (6480, 32866), (12960, 16433)]このpageの処理時間: 0.06987214088439941 seconds