281276928

素因数分解:

$2^9\times 3^3\times {\mathrm{20347}}^1$

素因数の和:20374

約数の個数: 80

約数和(自身を含む): 832640160

約数和(自身を除く): 551363232

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 96, 108, 128, 144, 192, 216, 256, 288, 384, 432, 512, 576, 768, 864, 1152, 1536, 1728, 2304, 3456, 4608, 6912, 13824, 20347, 40694, 61041, 81388, 122082, 162776, 183123, 244164, 325552, 366246, 488328, 549369, 651104, 732492, 976656, 1098738, 1302208, 1464984, 1953312, 2197476, 2604416, 2929968, 3906624, 4394952, 5208832, 5859936, 7813248, 8789904, 10417664, 11719872, 15626496, 17579808, 23439744, 31252992, 35159616, 46879488, 70319232, 93758976, 140638464, 281276928]

約数ペア:

[(1, 281276928), (2, 140638464), (3, 93758976), (4, 70319232), (6, 46879488), (8, 35159616), (9, 31252992), (12, 23439744), (16, 17579808), (18, 15626496), (24, 11719872), (27, 10417664), (32, 8789904), (36, 7813248), (48, 5859936), (54, 5208832), (64, 4394952), (72, 3906624), (96, 2929968), (108, 2604416), (128, 2197476), (144, 1953312), (192, 1464984), (216, 1302208), (256, 1098738), (288, 976656), (384, 732492), (432, 651104), (512, 549369), (576, 488328), (768, 366246), (864, 325552), (1152, 244164), (1536, 183123), (1728, 162776), (2304, 122082), (3456, 81388), (4608, 61041), (6912, 40694), (13824, 20347)]