660881408

素因数分解:

$2^{14}\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1$

素因数の和:251

約数の個数: 120

約数和(自身を含む): 1525631520

約数和(自身を除く): 864750112

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 32, 38, 44, 64, 76, 88, 128, 152, 176, 193, 209, 256, 304, 352, 386, 418, 512, 608, 704, 772, 836, 1024, 1216, 1408, 1544, 1672, 2048, 2123, 2432, 2816, 3088, 3344, 3667, 4096, 4246, 4864, 5632, 6176, 6688, 7334, 8192, 8492, 9728, 11264, 12352, 13376, 14668, 16384, 16984, 19456, 22528, 24704, 26752, 29336, 33968, 38912, 40337, 45056, 49408, 53504, 58672, 67936, 77824, 80674, 90112, 98816, 107008, 117344, 135872, 155648, 161348, 180224, 197632, 214016, 234688, 271744, 311296, 322696, 395264, 428032, 469376, 543488, 645392, 790528, 856064, 938752, 1086976, 1290784, 1581056, 1712128, 1877504, 2173952, 2581568, 3162112, 3424256, 3755008, 4347904, 5163136, 7510016, 8695808, 10326272, 15020032, 17391616, 20652544, 30040064, 34783232, 41305088, 60080128, 82610176, 165220352, 330440704, 660881408]

約数ペア:

[(1, 660881408), (2, 330440704), (4, 165220352), (8, 82610176), (11, 60080128), (16, 41305088), (19, 34783232), (22, 30040064), (32, 20652544), (38, 17391616), (44, 15020032), (64, 10326272), (76, 8695808), (88, 7510016), (128, 5163136), (152, 4347904), (176, 3755008), (193, 3424256), (209, 3162112), (256, 2581568), (304, 2173952), (352, 1877504), (386, 1712128), (418, 1581056), (512, 1290784), (608, 1086976), (704, 938752), (772, 856064), (836, 790528), (1024, 645392), (1216, 543488), (1408, 469376), (1544, 428032), (1672, 395264), (2048, 322696), (2123, 311296), (2432, 271744), (2816, 234688), (3088, 214016), (3344, 197632), (3667, 180224), (4096, 161348), (4246, 155648), (4864, 135872), (5632, 117344), (6176, 107008), (6688, 98816), (7334, 90112), (8192, 80674), (8492, 77824), (9728, 67936), (11264, 58672), (12352, 53504), (13376, 49408), (14668, 45056), (16384, 40337), (16984, 38912), (19456, 33968), (22528, 29336), (24704, 26752)]