About the Number
81668790
2進数表記:100110111100010101010110110
漢数字表記:八千百六十六万八千七百九十
素因数分解:
素因数の和:6203
約数の個数: 96
約数和(自身を含む): 253380960
約数和(自身を除く): 171712170
約数列:
[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 49, 54, 63, 70, 90, 98, 105, 126, 135, 147, 189, 210, 245, 270, 294, 315, 378, 441, 490, 630, 735, 882, 945, 1323, 1470, 1890, 2205, 2646, 4410, 6173, 6615, 12346, 13230, 18519, 30865, 37038, 43211, 55557, 61730, 86422, 92595, 111114, 129633, 166671, 185190, 216055, 259266, 277785, 302477, 333342, 388899, 432110, 555570, 604954, 648165, 777798, 833355, 907431, 1166697, 1296330, 1512385, 1666710, 1814862, 1944495, 2333394, 2722293, 3024770, 3888990, 4537155, 5444586, 5833485, 8166879, 9074310, 11666970, 13611465, 16333758, 27222930, 40834395, 81668790]
約数ペア:
[(1, 81668790), (2, 40834395), (3, 27222930), (5, 16333758), (6, 13611465), (7, 11666970), (9, 9074310), (10, 8166879), (14, 5833485), (15, 5444586), (18, 4537155), (21, 3888990), (27, 3024770), (30, 2722293), (35, 2333394), (42, 1944495), (45, 1814862), (49, 1666710), (54, 1512385), (63, 1296330), (70, 1166697), (90, 907431), (98, 833355), (105, 777798), (126, 648165), (135, 604954), (147, 555570), (189, 432110), (210, 388899), (245, 333342), (270, 302477), (294, 277785), (315, 259266), (378, 216055), (441, 185190), (490, 166671), (630, 129633), (735, 111114), (882, 92595), (945, 86422), (1323, 61730), (1470, 55557), (1890, 43211), (2205, 37038), (2646, 30865), (4410, 18519), (6173, 13230), (6615, 12346)]このpageの処理時間: 0.08514285087585449 seconds