260592640

素因数分解:

$2^{10}\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{661}}^1$

素因数の和:704

約数の個数: 176

約数和(自身を含む): 780545664

約数和(自身を除く): 519953024

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 128, 140, 154, 160, 176, 220, 224, 256, 280, 308, 320, 352, 385, 440, 448, 512, 560, 616, 640, 661, 704, 770, 880, 896, 1024, 1120, 1232, 1280, 1322, 1408, 1540, 1760, 1792, 2240, 2464, 2560, 2644, 2816, 3080, 3305, 3520, 3584, 4480, 4627, 4928, 5120, 5288, 5632, 6160, 6610, 7040, 7168, 7271, 8960, 9254, 9856, 10576, 11264, 12320, 13220, 14080, 14542, 17920, 18508, 19712, 21152, 23135, 24640, 26440, 28160, 29084, 35840, 36355, 37016, 39424, 42304, 46270, 49280, 50897, 52880, 56320, 58168, 72710, 74032, 78848, 84608, 92540, 98560, 101794, 105760, 116336, 145420, 148064, 169216, 185080, 197120, 203588, 211520, 232672, 254485, 290840, 296128, 338432, 370160, 394240, 407176, 423040, 465344, 508970, 581680, 592256, 676864, 740320, 814352, 846080, 930688, 1017940, 1163360, 1184512, 1480640, 1628704, 1692160, 1861376, 2035880, 2326720, 2369024, 2961280, 3257408, 3384320, 3722752, 4071760, 4653440, 4738048, 5922560, 6514816, 7445504, 8143520, 9306880, 11845120, 13029632, 16287040, 18613760, 23690240, 26059264, 32574080, 37227520, 52118528, 65148160, 130296320, 260592640]

約数ペア:

[(1, 260592640), (2, 130296320), (4, 65148160), (5, 52118528), (7, 37227520), (8, 32574080), (10, 26059264), (11, 23690240), (14, 18613760), (16, 16287040), (20, 13029632), (22, 11845120), (28, 9306880), (32, 8143520), (35, 7445504), (40, 6514816), (44, 5922560), (55, 4738048), (56, 4653440), (64, 4071760), (70, 3722752), (77, 3384320), (80, 3257408), (88, 2961280), (110, 2369024), (112, 2326720), (128, 2035880), (140, 1861376), (154, 1692160), (160, 1628704), (176, 1480640), (220, 1184512), (224, 1163360), (256, 1017940), (280, 930688), (308, 846080), (320, 814352), (352, 740320), (385, 676864), (440, 592256), (448, 581680), (512, 508970), (560, 465344), (616, 423040), (640, 407176), (661, 394240), (704, 370160), (770, 338432), (880, 296128), (896, 290840), (1024, 254485), (1120, 232672), (1232, 211520), (1280, 203588), (1322, 197120), (1408, 185080), (1540, 169216), (1760, 148064), (1792, 145420), (2240, 116336), (2464, 105760), (2560, 101794), (2644, 98560), (2816, 92540), (3080, 84608), (3305, 78848), (3520, 74032), (3584, 72710), (4480, 58168), (4627, 56320), (4928, 52880), (5120, 50897), (5288, 49280), (5632, 46270), (6160, 42304), (6610, 39424), (7040, 37016), (7168, 36355), (7271, 35840), (8960, 29084), (9254, 28160), (9856, 26440), (10576, 24640), (11264, 23135), (12320, 21152), (13220, 19712), (14080, 18508), (14542, 17920)]