1664323968

素因数分解:

$2^7\times 3^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{661}}^1$

素因数の和:840

約数の個数: 128

約数和(自身を含む): 4537612800

約数和(自身を除く): 2873288832

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 79, 83, 96, 128, 158, 166, 192, 237, 249, 316, 332, 384, 474, 498, 632, 661, 664, 948, 996, 1264, 1322, 1328, 1896, 1983, 1992, 2528, 2644, 2656, 3792, 3966, 3984, 5056, 5288, 5312, 6557, 7584, 7932, 7968, 10112, 10576, 10624, 13114, 15168, 15864, 15936, 19671, 21152, 26228, 30336, 31728, 31872, 39342, 42304, 52219, 52456, 54863, 63456, 78684, 84608, 104438, 104912, 109726, 126912, 156657, 157368, 164589, 208876, 209824, 219452, 253824, 313314, 314736, 329178, 417752, 419648, 438904, 626628, 629472, 658356, 835504, 839296, 877808, 1253256, 1258944, 1316712, 1671008, 1755616, 2506512, 2517888, 2633424, 3342016, 3511232, 4334177, 5013024, 5266848, 6684032, 7022464, 8668354, 10026048, 10533696, 13002531, 17336708, 20052096, 21067392, 26005062, 34673416, 52010124, 69346832, 104020248, 138693664, 208040496, 277387328, 416080992, 554774656, 832161984, 1664323968]

約数ペア:

[(1, 1664323968), (2, 832161984), (3, 554774656), (4, 416080992), (6, 277387328), (8, 208040496), (12, 138693664), (16, 104020248), (24, 69346832), (32, 52010124), (48, 34673416), (64, 26005062), (79, 21067392), (83, 20052096), (96, 17336708), (128, 13002531), (158, 10533696), (166, 10026048), (192, 8668354), (237, 7022464), (249, 6684032), (316, 5266848), (332, 5013024), (384, 4334177), (474, 3511232), (498, 3342016), (632, 2633424), (661, 2517888), (664, 2506512), (948, 1755616), (996, 1671008), (1264, 1316712), (1322, 1258944), (1328, 1253256), (1896, 877808), (1983, 839296), (1992, 835504), (2528, 658356), (2644, 629472), (2656, 626628), (3792, 438904), (3966, 419648), (3984, 417752), (5056, 329178), (5288, 314736), (5312, 313314), (6557, 253824), (7584, 219452), (7932, 209824), (7968, 208876), (10112, 164589), (10576, 157368), (10624, 156657), (13114, 126912), (15168, 109726), (15864, 104912), (15936, 104438), (19671, 84608), (21152, 78684), (26228, 63456), (30336, 54863), (31728, 52456), (31872, 52219), (39342, 42304)]