73400320

素因数分解:

$2^{21}\times 5^1\times 7^1$

素因数の和:54

約数の個数: 88

約数和(自身を含む): 201326544

約数和(自身を除く): 127926224

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 512, 560, 640, 896, 1024, 1120, 1280, 1792, 2048, 2240, 2560, 3584, 4096, 4480, 5120, 7168, 8192, 8960, 10240, 14336, 16384, 17920, 20480, 28672, 32768, 35840, 40960, 57344, 65536, 71680, 81920, 114688, 131072, 143360, 163840, 229376, 262144, 286720, 327680, 458752, 524288, 573440, 655360, 917504, 1048576, 1146880, 1310720, 1835008, 2097152, 2293760, 2621440, 3670016, 4587520, 5242880, 7340032, 9175040, 10485760, 14680064, 18350080, 36700160, 73400320]

約数ペア:

[(1, 73400320), (2, 36700160), (4, 18350080), (5, 14680064), (7, 10485760), (8, 9175040), (10, 7340032), (14, 5242880), (16, 4587520), (20, 3670016), (28, 2621440), (32, 2293760), (35, 2097152), (40, 1835008), (56, 1310720), (64, 1146880), (70, 1048576), (80, 917504), (112, 655360), (128, 573440), (140, 524288), (160, 458752), (224, 327680), (256, 286720), (280, 262144), (320, 229376), (448, 163840), (512, 143360), (560, 131072), (640, 114688), (896, 81920), (1024, 71680), (1120, 65536), (1280, 57344), (1792, 40960), (2048, 35840), (2240, 32768), (2560, 28672), (3584, 20480), (4096, 17920), (4480, 16384), (5120, 14336), (7168, 10240), (8192, 8960)]