647331840

素因数分解:

$2^{15}\times 3^2\times 5^1\times {\mathrm{439}}^1$

素因数の和:480

約数の個数: 192

約数和(自身を含む): 2249161200

約数和(自身を除く): 1601829360

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, 8192, 8780, 9216, 10240, 10536, 11520, 12288, 13170, 14048, 15360, 15804, 16384, 17560, 18432, 19755, 20480, 21072, 23040, 24576, 26340, 28096, 30720, 31608, 32768, 35120, 36864, 39510, 40960, 42144, 46080, 49152, 52680, 56192, 61440, 63216, 70240, 73728, 79020, 81920, 84288, 92160, 98304, 105360, 112384, 122880, 126432, 140480, 147456, 158040, 163840, 168576, 184320, 210720, 224768, 245760, 252864, 280960, 294912, 316080, 337152, 368640, 421440, 449536, 491520, 505728, 561920, 632160, 674304, 737280, 842880, 899072, 1011456, 1123840, 1264320, 1348608, 1474560, 1685760, 1798144, 2022912, 2247680, 2528640, 2697216, 3371520, 3596288, 4045824, 4495360, 5057280, 5394432, 6743040, 7192576, 8091648, 8990720, 10114560, 10788864, 13486080, 14385152, 16183296, 17981440, 20229120, 21577728, 26972160, 32366592, 35962880, 40458240, 43155456, 53944320, 64733184, 71925760, 80916480, 107888640, 129466368, 161832960, 215777280, 323665920, 647331840]

約数ペア:

[(1, 647331840), (2, 323665920), (3, 215777280), (4, 161832960), (5, 129466368), (6, 107888640), (8, 80916480), (9, 71925760), (10, 64733184), (12, 53944320), (15, 43155456), (16, 40458240), (18, 35962880), (20, 32366592), (24, 26972160), (30, 21577728), (32, 20229120), (36, 17981440), (40, 16183296), (45, 14385152), (48, 13486080), (60, 10788864), (64, 10114560), (72, 8990720), (80, 8091648), (90, 7192576), (96, 6743040), (120, 5394432), (128, 5057280), (144, 4495360), (160, 4045824), (180, 3596288), (192, 3371520), (240, 2697216), (256, 2528640), (288, 2247680), (320, 2022912), (360, 1798144), (384, 1685760), (439, 1474560), (480, 1348608), (512, 1264320), (576, 1123840), (640, 1011456), (720, 899072), (768, 842880), (878, 737280), (960, 674304), (1024, 632160), (1152, 561920), (1280, 505728), (1317, 491520), (1440, 449536), (1536, 421440), (1756, 368640), (1920, 337152), (2048, 316080), (2195, 294912), (2304, 280960), (2560, 252864), (2634, 245760), (2880, 224768), (3072, 210720), (3512, 184320), (3840, 168576), (3951, 163840), (4096, 158040), (4390, 147456), (4608, 140480), (5120, 126432), (5268, 122880), (5760, 112384), (6144, 105360), (6585, 98304), (7024, 92160), (7680, 84288), (7902, 81920), (8192, 79020), (8780, 73728), (9216, 70240), (10240, 63216), (10536, 61440), (11520, 56192), (12288, 52680), (13170, 49152), (14048, 46080), (15360, 42144), (15804, 40960), (16384, 39510), (17560, 36864), (18432, 35120), (19755, 32768), (20480, 31608), (21072, 30720), (23040, 28096), (24576, 26340)]