315621376

素因数分解:

$2^{20}\times 7^1\times {\mathrm{43}}^1$

素因数の和:90

約数の個数: 84

約数和(自身を含む): 738197152

約数和(自身を除く): 422575776

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 43, 56, 64, 86, 112, 128, 172, 224, 256, 301, 344, 448, 512, 602, 688, 896, 1024, 1204, 1376, 1792, 2048, 2408, 2752, 3584, 4096, 4816, 5504, 7168, 8192, 9632, 11008, 14336, 16384, 19264, 22016, 28672, 32768, 38528, 44032, 57344, 65536, 77056, 88064, 114688, 131072, 154112, 176128, 229376, 262144, 308224, 352256, 458752, 524288, 616448, 704512, 917504, 1048576, 1232896, 1409024, 1835008, 2465792, 2818048, 3670016, 4931584, 5636096, 7340032, 9863168, 11272192, 19726336, 22544384, 39452672, 45088768, 78905344, 157810688, 315621376]

約数ペア:

[(1, 315621376), (2, 157810688), (4, 78905344), (7, 45088768), (8, 39452672), (14, 22544384), (16, 19726336), (28, 11272192), (32, 9863168), (43, 7340032), (56, 5636096), (64, 4931584), (86, 3670016), (112, 2818048), (128, 2465792), (172, 1835008), (224, 1409024), (256, 1232896), (301, 1048576), (344, 917504), (448, 704512), (512, 616448), (602, 524288), (688, 458752), (896, 352256), (1024, 308224), (1204, 262144), (1376, 229376), (1792, 176128), (2048, 154112), (2408, 131072), (2752, 114688), (3584, 88064), (4096, 77056), (4816, 65536), (5504, 57344), (7168, 44032), (8192, 38528), (9632, 32768), (11008, 28672), (14336, 22016), (16384, 19264)]