320857181696

素因数分解:

$2^9\times {\mathrm{149}}^1\times {\mathrm{509}}^1\times {\mathrm{8263}}^1$

素因数の和:8939

約数の個数: 80

約数和(自身を含む): 646736508000

約数和(自身を除く): 325879326304

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 149, 256, 298, 509, 512, 596, 1018, 1192, 2036, 2384, 4072, 4768, 8144, 8263, 9536, 16288, 16526, 19072, 32576, 33052, 38144, 65152, 66104, 75841, 76288, 130304, 132208, 151682, 260608, 264416, 303364, 528832, 606728, 1057664, 1213456, 1231187, 2115328, 2426912, 2462374, 4205867, 4230656, 4853824, 4924748, 8411734, 9707648, 9849496, 16823468, 19415296, 19698992, 33646936, 38830592, 39397984, 67293872, 78795968, 134587744, 157591936, 269175488, 315183872, 538350976, 626674183, 630367744, 1076701952, 1253348366, 2153403904, 2506696732, 5013393464, 10026786928, 20053573856, 40107147712, 80214295424, 160428590848, 320857181696]

約数ペア:

[(1, 320857181696), (2, 160428590848), (4, 80214295424), (8, 40107147712), (16, 20053573856), (32, 10026786928), (64, 5013393464), (128, 2506696732), (149, 2153403904), (256, 1253348366), (298, 1076701952), (509, 630367744), (512, 626674183), (596, 538350976), (1018, 315183872), (1192, 269175488), (2036, 157591936), (2384, 134587744), (4072, 78795968), (4768, 67293872), (8144, 39397984), (8263, 38830592), (9536, 33646936), (16288, 19698992), (16526, 19415296), (19072, 16823468), (32576, 9849496), (33052, 9707648), (38144, 8411734), (65152, 4924748), (66104, 4853824), (75841, 4230656), (76288, 4205867), (130304, 2462374), (132208, 2426912), (151682, 2115328), (260608, 1231187), (264416, 1213456), (303364, 1057664), (528832, 606728)]