991480320

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1871}}^1$

素因数の和:1923

約数の個数: 240

約数和(自身を含む): 3584984832

約数和(自身を除く): 2593504512

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 32, 36, 40, 45, 46, 48, 60, 64, 69, 72, 80, 90, 92, 96, 115, 120, 128, 138, 144, 160, 180, 184, 192, 207, 230, 240, 256, 276, 288, 320, 345, 360, 368, 384, 414, 460, 480, 512, 552, 576, 640, 690, 720, 736, 768, 828, 920, 960, 1035, 1104, 1152, 1280, 1380, 1440, 1472, 1536, 1656, 1840, 1871, 1920, 2070, 2208, 2304, 2560, 2760, 2880, 2944, 3312, 3680, 3742, 3840, 4140, 4416, 4608, 5520, 5613, 5760, 5888, 6624, 7360, 7484, 7680, 8280, 8832, 9355, 11040, 11226, 11520, 11776, 13248, 14720, 14968, 16560, 16839, 17664, 18710, 22080, 22452, 23040, 26496, 28065, 29440, 29936, 33120, 33678, 35328, 37420, 43033, 44160, 44904, 52992, 56130, 58880, 59872, 66240, 67356, 74840, 84195, 86066, 88320, 89808, 105984, 112260, 119744, 129099, 132480, 134712, 149680, 168390, 172132, 176640, 179616, 215165, 224520, 239488, 258198, 264960, 269424, 299360, 336780, 344264, 359232, 387297, 430330, 449040, 478976, 516396, 529920, 538848, 598720, 645495, 673560, 688528, 718464, 774594, 860660, 898080, 957952, 1032792, 1077696, 1197440, 1290990, 1347120, 1377056, 1436928, 1549188, 1721320, 1796160, 1936485, 2065584, 2155392, 2394880, 2581980, 2694240, 2754112, 2873856, 3098376, 3442640, 3592320, 3872970, 4131168, 4310784, 4789760, 5163960, 5388480, 5508224, 6196752, 6885280, 7184640, 7745940, 8262336, 8621568, 10327920, 10776960, 11016448, 12393504, 13770560, 14369280, 15491880, 16524672, 20655840, 21553920, 22032896, 24787008, 27541120, 30983760, 33049344, 41311680, 43107840, 49574016, 55082240, 61967520, 66098688, 82623360, 99148032, 110164480, 123935040, 165246720, 198296064, 247870080, 330493440, 495740160, 991480320]

約数ペア:

[(1, 991480320), (2, 495740160), (3, 330493440), (4, 247870080), (5, 198296064), (6, 165246720), (8, 123935040), (9, 110164480), (10, 99148032), (12, 82623360), (15, 66098688), (16, 61967520), (18, 55082240), (20, 49574016), (23, 43107840), (24, 41311680), (30, 33049344), (32, 30983760), (36, 27541120), (40, 24787008), (45, 22032896), (46, 21553920), (48, 20655840), (60, 16524672), (64, 15491880), (69, 14369280), (72, 13770560), (80, 12393504), (90, 11016448), (92, 10776960), (96, 10327920), (115, 8621568), (120, 8262336), (128, 7745940), (138, 7184640), (144, 6885280), (160, 6196752), (180, 5508224), (184, 5388480), (192, 5163960), (207, 4789760), (230, 4310784), (240, 4131168), (256, 3872970), (276, 3592320), (288, 3442640), (320, 3098376), (345, 2873856), (360, 2754112), (368, 2694240), (384, 2581980), (414, 2394880), (460, 2155392), (480, 2065584), (512, 1936485), (552, 1796160), (576, 1721320), (640, 1549188), (690, 1436928), (720, 1377056), (736, 1347120), (768, 1290990), (828, 1197440), (920, 1077696), (960, 1032792), (1035, 957952), (1104, 898080), (1152, 860660), (1280, 774594), (1380, 718464), (1440, 688528), (1472, 673560), (1536, 645495), (1656, 598720), (1840, 538848), (1871, 529920), (1920, 516396), (2070, 478976), (2208, 449040), (2304, 430330), (2560, 387297), (2760, 359232), (2880, 344264), (2944, 336780), (3312, 299360), (3680, 269424), (3742, 264960), (3840, 258198), (4140, 239488), (4416, 224520), (4608, 215165), (5520, 179616), (5613, 176640), (5760, 172132), (5888, 168390), (6624, 149680), (7360, 134712), (7484, 132480), (7680, 129099), (8280, 119744), (8832, 112260), (9355, 105984), (11040, 89808), (11226, 88320), (11520, 86066), (11776, 84195), (13248, 74840), (14720, 67356), (14968, 66240), (16560, 59872), (16839, 58880), (17664, 56130), (18710, 52992), (22080, 44904), (22452, 44160), (23040, 43033), (26496, 37420), (28065, 35328), (29440, 33678), (29936, 33120)]