80916480

素因数分解:

$2^{12}\times 3^2\times 5^1\times {\mathrm{439}}^1$

素因数の和:474

約数の個数: 156

約数和(自身を含む): 281115120

約数和(自身を除く): 200198640

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, 180, 192, 240, 256, 288, 320, 360, 384, 439, 480, 512, 576, 640, 720, 768, 878, 960, 1024, 1152, 1280, 1317, 1440, 1536, 1756, 1920, 2048, 2195, 2304, 2560, 2634, 2880, 3072, 3512, 3840, 3951, 4096, 4390, 4608, 5120, 5268, 5760, 6144, 6585, 7024, 7680, 7902, 8780, 9216, 10240, 10536, 11520, 12288, 13170, 14048, 15360, 15804, 17560, 18432, 19755, 20480, 21072, 23040, 26340, 28096, 30720, 31608, 35120, 36864, 39510, 42144, 46080, 52680, 56192, 61440, 63216, 70240, 79020, 84288, 92160, 105360, 112384, 126432, 140480, 158040, 168576, 184320, 210720, 224768, 252864, 280960, 316080, 337152, 421440, 449536, 505728, 561920, 632160, 674304, 842880, 899072, 1011456, 1123840, 1264320, 1348608, 1685760, 1798144, 2022912, 2247680, 2528640, 2697216, 3371520, 4045824, 4495360, 5057280, 5394432, 6743040, 8091648, 8990720, 10114560, 13486080, 16183296, 20229120, 26972160, 40458240, 80916480]

約数ペア:

[(1, 80916480), (2, 40458240), (3, 26972160), (4, 20229120), (5, 16183296), (6, 13486080), (8, 10114560), (9, 8990720), (10, 8091648), (12, 6743040), (15, 5394432), (16, 5057280), (18, 4495360), (20, 4045824), (24, 3371520), (30, 2697216), (32, 2528640), (36, 2247680), (40, 2022912), (45, 1798144), (48, 1685760), (60, 1348608), (64, 1264320), (72, 1123840), (80, 1011456), (90, 899072), (96, 842880), (120, 674304), (128, 632160), (144, 561920), (160, 505728), (180, 449536), (192, 421440), (240, 337152), (256, 316080), (288, 280960), (320, 252864), (360, 224768), (384, 210720), (439, 184320), (480, 168576), (512, 158040), (576, 140480), (640, 126432), (720, 112384), (768, 105360), (878, 92160), (960, 84288), (1024, 79020), (1152, 70240), (1280, 63216), (1317, 61440), (1440, 56192), (1536, 52680), (1756, 46080), (1920, 42144), (2048, 39510), (2195, 36864), (2304, 35120), (2560, 31608), (2634, 30720), (2880, 28096), (3072, 26340), (3512, 23040), (3840, 21072), (3951, 20480), (4096, 19755), (4390, 18432), (4608, 17560), (5120, 15804), (5268, 15360), (5760, 14048), (6144, 13170), (6585, 12288), (7024, 11520), (7680, 10536), (7902, 10240), (8780, 9216)]