30781440

素因数分解:

$2^{12}\times 3^2\times 5^1\times {\mathrm{167}}^1$

素因数の和:202

約数の個数: 156

約数和(自身を含む): 107334864

約数和(自身を除く): 76553424

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 167, 180, 192, 240, 256, 288, 320, 334, 360, 384, 480, 501, 512, 576, 640, 668, 720, 768, 835, 960, 1002, 1024, 1152, 1280, 1336, 1440, 1503, 1536, 1670, 1920, 2004, 2048, 2304, 2505, 2560, 2672, 2880, 3006, 3072, 3340, 3840, 4008, 4096, 4608, 5010, 5120, 5344, 5760, 6012, 6144, 6680, 7515, 7680, 8016, 9216, 10020, 10240, 10688, 11520, 12024, 12288, 13360, 15030, 15360, 16032, 18432, 20040, 20480, 21376, 23040, 24048, 26720, 30060, 30720, 32064, 36864, 40080, 42752, 46080, 48096, 53440, 60120, 61440, 64128, 80160, 85504, 92160, 96192, 106880, 120240, 128256, 160320, 171008, 184320, 192384, 213760, 240480, 256512, 320640, 342016, 384768, 427520, 480960, 513024, 641280, 684032, 769536, 855040, 961920, 1026048, 1282560, 1539072, 1710080, 1923840, 2052096, 2565120, 3078144, 3420160, 3847680, 5130240, 6156288, 7695360, 10260480, 15390720, 30781440]

約数ペア:

[(1, 30781440), (2, 15390720), (3, 10260480), (4, 7695360), (5, 6156288), (6, 5130240), (8, 3847680), (9, 3420160), (10, 3078144), (12, 2565120), (15, 2052096), (16, 1923840), (18, 1710080), (20, 1539072), (24, 1282560), (30, 1026048), (32, 961920), (36, 855040), (40, 769536), (45, 684032), (48, 641280), (60, 513024), (64, 480960), (72, 427520), (80, 384768), (90, 342016), (96, 320640), (120, 256512), (128, 240480), (144, 213760), (160, 192384), (167, 184320), (180, 171008), (192, 160320), (240, 128256), (256, 120240), (288, 106880), (320, 96192), (334, 92160), (360, 85504), (384, 80160), (480, 64128), (501, 61440), (512, 60120), (576, 53440), (640, 48096), (668, 46080), (720, 42752), (768, 40080), (835, 36864), (960, 32064), (1002, 30720), (1024, 30060), (1152, 26720), (1280, 24048), (1336, 23040), (1440, 21376), (1503, 20480), (1536, 20040), (1670, 18432), (1920, 16032), (2004, 15360), (2048, 15030), (2304, 13360), (2505, 12288), (2560, 12024), (2672, 11520), (2880, 10688), (3006, 10240), (3072, 10020), (3340, 9216), (3840, 8016), (4008, 7680), (4096, 7515), (4608, 6680), (5010, 6144), (5120, 6012), (5344, 5760)]