1966571520

素因数分解:

$2^{15}\times 3^1\times 5^1\times {\mathrm{4001}}^1$

素因数の和:4039

約数の個数: 128

約数和(自身を含む): 6294505680

約数和(自身を除く): 4327934160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 768, 960, 1024, 1280, 1536, 1920, 2048, 2560, 3072, 3840, 4001, 4096, 5120, 6144, 7680, 8002, 8192, 10240, 12003, 12288, 15360, 16004, 16384, 20005, 20480, 24006, 24576, 30720, 32008, 32768, 40010, 40960, 48012, 49152, 60015, 61440, 64016, 80020, 81920, 96024, 98304, 120030, 122880, 128032, 160040, 163840, 192048, 240060, 245760, 256064, 320080, 384096, 480120, 491520, 512128, 640160, 768192, 960240, 1024256, 1280320, 1536384, 1920480, 2048512, 2560640, 3072768, 3840960, 4097024, 5121280, 6145536, 7681920, 8194048, 10242560, 12291072, 15363840, 16388096, 20485120, 24582144, 30727680, 32776192, 40970240, 49164288, 61455360, 65552384, 81940480, 98328576, 122910720, 131104768, 163880960, 196657152, 245821440, 327761920, 393314304, 491642880, 655523840, 983285760, 1966571520]

約数ペア:

[(1, 1966571520), (2, 983285760), (3, 655523840), (4, 491642880), (5, 393314304), (6, 327761920), (8, 245821440), (10, 196657152), (12, 163880960), (15, 131104768), (16, 122910720), (20, 98328576), (24, 81940480), (30, 65552384), (32, 61455360), (40, 49164288), (48, 40970240), (60, 32776192), (64, 30727680), (80, 24582144), (96, 20485120), (120, 16388096), (128, 15363840), (160, 12291072), (192, 10242560), (240, 8194048), (256, 7681920), (320, 6145536), (384, 5121280), (480, 4097024), (512, 3840960), (640, 3072768), (768, 2560640), (960, 2048512), (1024, 1920480), (1280, 1536384), (1536, 1280320), (1920, 1024256), (2048, 960240), (2560, 768192), (3072, 640160), (3840, 512128), (4001, 491520), (4096, 480120), (5120, 384096), (6144, 320080), (7680, 256064), (8002, 245760), (8192, 240060), (10240, 192048), (12003, 163840), (12288, 160040), (15360, 128032), (16004, 122880), (16384, 120030), (20005, 98304), (20480, 96024), (24006, 81920), (24576, 80020), (30720, 64016), (32008, 61440), (32768, 60015), (40010, 49152), (40960, 48012)]