1474887680

素因数分解:

$2^{16}\times 5^1\times 7^1\times {\mathrm{643}}^1$

素因数の和:687

約数の個数: 136

約数和(自身を含む): 4051666752

約数和(自身を除く): 2576779072

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, 643, 896, 1024, 1120, 1280, 1286, 1792, 2048, 2240, 2560, 2572, 3215, 3584, 4096, 4480, 4501, 5120, 5144, 6430, 7168, 8192, 8960, 9002, 10240, 10288, 12860, 14336, 16384, 17920, 18004, 20480, 20576, 22505, 25720, 28672, 32768, 35840, 36008, 40960, 41152, 45010, 51440, 57344, 65536, 71680, 72016, 81920, 82304, 90020, 102880, 114688, 143360, 144032, 163840, 164608, 180040, 205760, 229376, 286720, 288064, 327680, 329216, 360080, 411520, 458752, 573440, 576128, 658432, 720160, 823040, 1146880, 1152256, 1316864, 1440320, 1646080, 2293760, 2304512, 2633728, 2880640, 3292160, 4609024, 5267456, 5761280, 6584320, 9218048, 10534912, 11522560, 13168640, 18436096, 21069824, 23045120, 26337280, 36872192, 42139648, 46090240, 52674560, 73744384, 92180480, 105349120, 147488768, 184360960, 210698240, 294977536, 368721920, 737443840, 1474887680]

約数ペア:

[(1, 1474887680), (2, 737443840), (4, 368721920), (5, 294977536), (7, 210698240), (8, 184360960), (10, 147488768), (14, 105349120), (16, 92180480), (20, 73744384), (28, 52674560), (32, 46090240), (35, 42139648), (40, 36872192), (56, 26337280), (64, 23045120), (70, 21069824), (80, 18436096), (112, 13168640), (128, 11522560), (140, 10534912), (160, 9218048), (224, 6584320), (256, 5761280), (280, 5267456), (320, 4609024), (448, 3292160), (512, 2880640), (560, 2633728), (640, 2304512), (643, 2293760), (896, 1646080), (1024, 1440320), (1120, 1316864), (1280, 1152256), (1286, 1146880), (1792, 823040), (2048, 720160), (2240, 658432), (2560, 576128), (2572, 573440), (3215, 458752), (3584, 411520), (4096, 360080), (4480, 329216), (4501, 327680), (5120, 288064), (5144, 286720), (6430, 229376), (7168, 205760), (8192, 180040), (8960, 164608), (9002, 163840), (10240, 144032), (10288, 143360), (12860, 114688), (14336, 102880), (16384, 90020), (17920, 82304), (18004, 81920), (20480, 72016), (20576, 71680), (22505, 65536), (25720, 57344), (28672, 51440), (32768, 45010), (35840, 41152), (36008, 40960)]