156640768

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:259

約数の個数: 80

約数和(自身を含む): 329978880

約数和(自身を除く): 173338112

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 71, 124, 128, 139, 142, 248, 256, 278, 284, 496, 512, 556, 568, 992, 1112, 1136, 1984, 2201, 2224, 2272, 3968, 4309, 4402, 4448, 4544, 7936, 8618, 8804, 8896, 9088, 9869, 15872, 17236, 17608, 17792, 18176, 19738, 34472, 35216, 35584, 36352, 39476, 68944, 70432, 71168, 78952, 137888, 140864, 157904, 275776, 281728, 305939, 315808, 551552, 563456, 611878, 631616, 1103104, 1126912, 1223756, 1263232, 2206208, 2447512, 2526464, 4895024, 5052928, 9790048, 19580096, 39160192, 78320384, 156640768]

約数ペア:

[(1, 156640768), (2, 78320384), (4, 39160192), (8, 19580096), (16, 9790048), (31, 5052928), (32, 4895024), (62, 2526464), (64, 2447512), (71, 2206208), (124, 1263232), (128, 1223756), (139, 1126912), (142, 1103104), (248, 631616), (256, 611878), (278, 563456), (284, 551552), (496, 315808), (512, 305939), (556, 281728), (568, 275776), (992, 157904), (1112, 140864), (1136, 137888), (1984, 78952), (2201, 71168), (2224, 70432), (2272, 68944), (3968, 39476), (4309, 36352), (4402, 35584), (4448, 35216), (4544, 34472), (7936, 19738), (8618, 18176), (8804, 17792), (8896, 17608), (9088, 17236), (9869, 15872)]