1561447680

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1009}}^1$

素因数の和:1077

約数の個数: 288

約数和(自身を含む): 5549214720

約数和(自身を除く): 3987767040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 31, 32, 39, 40, 48, 52, 60, 62, 64, 65, 78, 80, 93, 96, 104, 120, 124, 128, 130, 155, 156, 160, 186, 192, 195, 208, 240, 248, 256, 260, 310, 312, 320, 372, 384, 390, 403, 416, 465, 480, 496, 520, 620, 624, 640, 744, 768, 780, 806, 832, 930, 960, 992, 1009, 1040, 1209, 1240, 1248, 1280, 1488, 1560, 1612, 1664, 1860, 1920, 1984, 2015, 2018, 2080, 2418, 2480, 2496, 2976, 3027, 3120, 3224, 3328, 3720, 3840, 3968, 4030, 4036, 4160, 4836, 4960, 4992, 5045, 5952, 6045, 6054, 6240, 6448, 7440, 7936, 8060, 8072, 8320, 9672, 9920, 9984, 10090, 11904, 12090, 12108, 12480, 12896, 13117, 14880, 15135, 16120, 16144, 16640, 19344, 19840, 20180, 23808, 24180, 24216, 24960, 25792, 26234, 29760, 30270, 31279, 32240, 32288, 38688, 39351, 39680, 40360, 48360, 48432, 49920, 51584, 52468, 59520, 60540, 62558, 64480, 64576, 65585, 77376, 78702, 80720, 93837, 96720, 96864, 103168, 104936, 119040, 121080, 125116, 128960, 129152, 131170, 154752, 156395, 157404, 161440, 187674, 193440, 193728, 196755, 209872, 242160, 250232, 257920, 258304, 262340, 309504, 312790, 314808, 322880, 375348, 386880, 387456, 393510, 406627, 419744, 469185, 484320, 500464, 515840, 524680, 625580, 629616, 645760, 750696, 773760, 774912, 787020, 813254, 839488, 938370, 968640, 1000928, 1049360, 1219881, 1251160, 1259232, 1291520, 1501392, 1547520, 1574040, 1626508, 1678976, 1876740, 1937280, 2001856, 2033135, 2098720, 2439762, 2502320, 2518464, 3002784, 3148080, 3253016, 3357952, 3753480, 3874560, 4003712, 4066270, 4197440, 4879524, 5004640, 5036928, 6005568, 6099405, 6296160, 6506032, 7506960, 8007424, 8132540, 8394880, 9759048, 10009280, 10073856, 12011136, 12198810, 12592320, 13012064, 15013920, 16265080, 16789760, 19518096, 20018560, 24022272, 24397620, 25184640, 26024128, 30027840, 32530160, 39036192, 40037120, 48795240, 50369280, 52048256, 60055680, 65060320, 78072384, 97590480, 104096512, 120111360, 130120640, 156144768, 195180960, 260241280, 312289536, 390361920, 520482560, 780723840, 1561447680]

約数ペア:

[(1, 1561447680), (2, 780723840), (3, 520482560), (4, 390361920), (5, 312289536), (6, 260241280), (8, 195180960), (10, 156144768), (12, 130120640), (13, 120111360), (15, 104096512), (16, 97590480), (20, 78072384), (24, 65060320), (26, 60055680), (30, 52048256), (31, 50369280), (32, 48795240), (39, 40037120), (40, 39036192), (48, 32530160), (52, 30027840), (60, 26024128), (62, 25184640), (64, 24397620), (65, 24022272), (78, 20018560), (80, 19518096), (93, 16789760), (96, 16265080), (104, 15013920), (120, 13012064), (124, 12592320), (128, 12198810), (130, 12011136), (155, 10073856), (156, 10009280), (160, 9759048), (186, 8394880), (192, 8132540), (195, 8007424), (208, 7506960), (240, 6506032), (248, 6296160), (256, 6099405), (260, 6005568), (310, 5036928), (312, 5004640), (320, 4879524), (372, 4197440), (384, 4066270), (390, 4003712), (403, 3874560), (416, 3753480), (465, 3357952), (480, 3253016), (496, 3148080), (520, 3002784), (620, 2518464), (624, 2502320), (640, 2439762), (744, 2098720), (768, 2033135), (780, 2001856), (806, 1937280), (832, 1876740), (930, 1678976), (960, 1626508), (992, 1574040), (1009, 1547520), (1040, 1501392), (1209, 1291520), (1240, 1259232), (1248, 1251160), (1280, 1219881), (1488, 1049360), (1560, 1000928), (1612, 968640), (1664, 938370), (1860, 839488), (1920, 813254), (1984, 787020), (2015, 774912), (2018, 773760), (2080, 750696), (2418, 645760), (2480, 629616), (2496, 625580), (2976, 524680), (3027, 515840), (3120, 500464), (3224, 484320), (3328, 469185), (3720, 419744), (3840, 406627), (3968, 393510), (4030, 387456), (4036, 386880), (4160, 375348), (4836, 322880), (4960, 314808), (4992, 312790), (5045, 309504), (5952, 262340), (6045, 258304), (6054, 257920), (6240, 250232), (6448, 242160), (7440, 209872), (7936, 196755), (8060, 193728), (8072, 193440), (8320, 187674), (9672, 161440), (9920, 157404), (9984, 156395), (10090, 154752), (11904, 131170), (12090, 129152), (12108, 128960), (12480, 125116), (12896, 121080), (13117, 119040), (14880, 104936), (15135, 103168), (16120, 96864), (16144, 96720), (16640, 93837), (19344, 80720), (19840, 78702), (20180, 77376), (23808, 65585), (24180, 64576), (24216, 64480), (24960, 62558), (25792, 60540), (26234, 59520), (29760, 52468), (30270, 51584), (31279, 49920), (32240, 48432), (32288, 48360), (38688, 40360), (39351, 39680)]