319451520

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{379}}^1\times {\mathrm{439}}^1$

素因数の和:840

約数の個数: 128

約数和(自身を含む): 1023264000

約数和(自身を除く): 703812480

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, 320, 379, 384, 439, 480, 640, 758, 878, 960, 1137, 1317, 1516, 1756, 1895, 1920, 2195, 2274, 2634, 3032, 3512, 3790, 4390, 4548, 5268, 5685, 6064, 6585, 7024, 7580, 8780, 9096, 10536, 11370, 12128, 13170, 14048, 15160, 17560, 18192, 21072, 22740, 24256, 26340, 28096, 30320, 35120, 36384, 42144, 45480, 48512, 52680, 56192, 60640, 70240, 72768, 84288, 90960, 105360, 121280, 140480, 145536, 166381, 168576, 181920, 210720, 242560, 280960, 332762, 363840, 421440, 499143, 665524, 727680, 831905, 842880, 998286, 1331048, 1663810, 1996572, 2495715, 2662096, 3327620, 3993144, 4991430, 5324192, 6655240, 7986288, 9982860, 10648384, 13310480, 15972576, 19965720, 21296768, 26620960, 31945152, 39931440, 53241920, 63890304, 79862880, 106483840, 159725760, 319451520]

約数ペア:

[(1, 319451520), (2, 159725760), (3, 106483840), (4, 79862880), (5, 63890304), (6, 53241920), (8, 39931440), (10, 31945152), (12, 26620960), (15, 21296768), (16, 19965720), (20, 15972576), (24, 13310480), (30, 10648384), (32, 9982860), (40, 7986288), (48, 6655240), (60, 5324192), (64, 4991430), (80, 3993144), (96, 3327620), (120, 2662096), (128, 2495715), (160, 1996572), (192, 1663810), (240, 1331048), (320, 998286), (379, 842880), (384, 831905), (439, 727680), (480, 665524), (640, 499143), (758, 421440), (878, 363840), (960, 332762), (1137, 280960), (1317, 242560), (1516, 210720), (1756, 181920), (1895, 168576), (1920, 166381), (2195, 145536), (2274, 140480), (2634, 121280), (3032, 105360), (3512, 90960), (3790, 84288), (4390, 72768), (4548, 70240), (5268, 60640), (5685, 56192), (6064, 52680), (6585, 48512), (7024, 45480), (7580, 42144), (8780, 36384), (9096, 35120), (10536, 30320), (11370, 28096), (12128, 26340), (13170, 24256), (14048, 22740), (15160, 21072), (17560, 18192)]