164640256

素因数分解:

$2^9\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:124

約数の個数: 160

約数和(自身を含む): 395974656

約数和(自身を除く): 231334400

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 31, 32, 41, 44, 46, 62, 64, 82, 88, 92, 124, 128, 164, 176, 184, 248, 253, 256, 328, 341, 352, 368, 451, 496, 506, 512, 656, 682, 704, 713, 736, 902, 943, 992, 1012, 1271, 1312, 1364, 1408, 1426, 1472, 1804, 1886, 1984, 2024, 2542, 2624, 2728, 2816, 2852, 2944, 3608, 3772, 3968, 4048, 5084, 5248, 5456, 5632, 5704, 5888, 7216, 7544, 7843, 7936, 8096, 10168, 10373, 10496, 10912, 11408, 11776, 13981, 14432, 15088, 15686, 15872, 16192, 20336, 20746, 20992, 21824, 22816, 27962, 28864, 29233, 30176, 31372, 32384, 40672, 41492, 43648, 45632, 55924, 57728, 58466, 60352, 62744, 64768, 81344, 82984, 87296, 91264, 111848, 115456, 116932, 120704, 125488, 129536, 162688, 165968, 174592, 182528, 223696, 230912, 233864, 241408, 250976, 321563, 325376, 331936, 365056, 447392, 467728, 482816, 501952, 643126, 650752, 663872, 894784, 935456, 1003904, 1286252, 1327744, 1789568, 1870912, 2007808, 2572504, 2655488, 3579136, 3741824, 4015616, 5145008, 5310976, 7158272, 7483648, 10290016, 14967296, 20580032, 41160064, 82320128, 164640256]

約数ペア:

[(1, 164640256), (2, 82320128), (4, 41160064), (8, 20580032), (11, 14967296), (16, 10290016), (22, 7483648), (23, 7158272), (31, 5310976), (32, 5145008), (41, 4015616), (44, 3741824), (46, 3579136), (62, 2655488), (64, 2572504), (82, 2007808), (88, 1870912), (92, 1789568), (124, 1327744), (128, 1286252), (164, 1003904), (176, 935456), (184, 894784), (248, 663872), (253, 650752), (256, 643126), (328, 501952), (341, 482816), (352, 467728), (368, 447392), (451, 365056), (496, 331936), (506, 325376), (512, 321563), (656, 250976), (682, 241408), (704, 233864), (713, 230912), (736, 223696), (902, 182528), (943, 174592), (992, 165968), (1012, 162688), (1271, 129536), (1312, 125488), (1364, 120704), (1408, 116932), (1426, 115456), (1472, 111848), (1804, 91264), (1886, 87296), (1984, 82984), (2024, 81344), (2542, 64768), (2624, 62744), (2728, 60352), (2816, 58466), (2852, 57728), (2944, 55924), (3608, 45632), (3772, 43648), (3968, 41492), (4048, 40672), (5084, 32384), (5248, 31372), (5456, 30176), (5632, 29233), (5704, 28864), (5888, 27962), (7216, 22816), (7544, 21824), (7843, 20992), (7936, 20746), (8096, 20336), (10168, 16192), (10373, 15872), (10496, 15686), (10912, 15088), (11408, 14432), (11776, 13981)]