About the Number

81099987264

81099987263 ← → 81099987265

2進数表記:1001011100001111011111001100101000000

漢数字表記:八百十億九千九百九十八万七千二百六十四

素因数分解:

2 6 × 3 3 × 229 1 × 204947 1

素因数の和:205197
約数の個数: 112
約数和(自身を含む): 239461243200
約数和(自身を除く): 158361255936

約数列:
[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 96, 108, 144, 192, 216, 229, 288, 432, 458, 576, 687, 864, 916, 1374, 1728, 1832, 2061, 2748, 3664, 4122, 5496, 6183, 7328, 8244, 10992, 12366, 14656, 16488, 21984, 24732, 32976, 43968, 49464, 65952, 98928, 131904, 197856, 204947, 395712, 409894, 614841, 819788, 1229682, 1639576, 1844523, 2459364, 3279152, 3689046, 4918728, 5533569, 6558304, 7378092, 9837456, 11067138, 13116608, 14756184, 19674912, 22134276, 29512368, 39349824, 44268552, 46932863, 59024736, 88537104, 93865726, 118049472, 140798589, 177074208, 187731452, 281597178, 354148416, 375462904, 422395767, 563194356, 750925808, 844791534, 1126388712, 1267187301, 1501851616, 1689583068, 2252777424, 2534374602, 3003703232, 3379166136, 4505554848, 5068749204, 6758332272, 9011109696, 10137498408, 13516664544, 20274996816, 27033329088, 40549993632, 81099987264]

約数ペア:
[(1, 81099987264), (2, 40549993632), (3, 27033329088), (4, 20274996816), (6, 13516664544), (8, 10137498408), (9, 9011109696), (12, 6758332272), (16, 5068749204), (18, 4505554848), (24, 3379166136), (27, 3003703232), (32, 2534374602), (36, 2252777424), (48, 1689583068), (54, 1501851616), (64, 1267187301), (72, 1126388712), (96, 844791534), (108, 750925808), (144, 563194356), (192, 422395767), (216, 375462904), (229, 354148416), (288, 281597178), (432, 187731452), (458, 177074208), (576, 140798589), (687, 118049472), (864, 93865726), (916, 88537104), (1374, 59024736), (1728, 46932863), (1832, 44268552), (2061, 39349824), (2748, 29512368), (3664, 22134276), (4122, 19674912), (5496, 14756184), (6183, 13116608), (7328, 11067138), (8244, 9837456), (10992, 7378092), (12366, 6558304), (14656, 5533569), (16488, 4918728), (21984, 3689046), (24732, 3279152), (32976, 2459364), (43968, 1844523), (49464, 1639576), (65952, 1229682), (98928, 819788), (131904, 614841), (197856, 409894), (204947, 395712)]

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