19277198720

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{2411}}^1$

素因数の和:2505

約数の個数: 192

約数和(自身を含む): 51303384720

約数和(自身を除く): 32026186000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 128, 130, 155, 160, 208, 248, 260, 310, 320, 403, 416, 496, 520, 620, 640, 806, 832, 961, 992, 1040, 1240, 1612, 1664, 1922, 1984, 2015, 2080, 2411, 2480, 3224, 3844, 3968, 4030, 4160, 4805, 4822, 4960, 6448, 7688, 8060, 8320, 9610, 9644, 9920, 12055, 12493, 12896, 15376, 16120, 19220, 19288, 19840, 24110, 24986, 25792, 30752, 31343, 32240, 38440, 38576, 48220, 49972, 51584, 61504, 62465, 62686, 64480, 74741, 76880, 77152, 96440, 99944, 123008, 124930, 125372, 128960, 149482, 153760, 154304, 156715, 192880, 199888, 249860, 250744, 257920, 298964, 307520, 308608, 313430, 373705, 385760, 399776, 499720, 501488, 597928, 615040, 626860, 747410, 771520, 799552, 971633, 999440, 1002976, 1195856, 1253720, 1494820, 1543040, 1599104, 1943266, 1998880, 2005952, 2316971, 2391712, 2507440, 2989640, 3886532, 3997760, 4011904, 4633942, 4783424, 4858165, 5014880, 5979280, 7773064, 7995520, 9267884, 9566848, 9716330, 10029760, 11584855, 11958560, 15546128, 18535768, 19432660, 20059520, 23169710, 23917120, 30120623, 31092256, 37071536, 38865320, 46339420, 47834240, 60241246, 62184512, 74143072, 77730640, 92678840, 120482492, 124369024, 148286144, 150603115, 155461280, 185357680, 240964984, 296572288, 301206230, 310922560, 370715360, 481929968, 602412460, 621845120, 741430720, 963859936, 1204824920, 1482861440, 1927719872, 2409649840, 3855439744, 4819299680, 9638599360, 19277198720]

約数ペア:

[(1, 19277198720), (2, 9638599360), (4, 4819299680), (5, 3855439744), (8, 2409649840), (10, 1927719872), (13, 1482861440), (16, 1204824920), (20, 963859936), (26, 741430720), (31, 621845120), (32, 602412460), (40, 481929968), (52, 370715360), (62, 310922560), (64, 301206230), (65, 296572288), (80, 240964984), (104, 185357680), (124, 155461280), (128, 150603115), (130, 148286144), (155, 124369024), (160, 120482492), (208, 92678840), (248, 77730640), (260, 74143072), (310, 62184512), (320, 60241246), (403, 47834240), (416, 46339420), (496, 38865320), (520, 37071536), (620, 31092256), (640, 30120623), (806, 23917120), (832, 23169710), (961, 20059520), (992, 19432660), (1040, 18535768), (1240, 15546128), (1612, 11958560), (1664, 11584855), (1922, 10029760), (1984, 9716330), (2015, 9566848), (2080, 9267884), (2411, 7995520), (2480, 7773064), (3224, 5979280), (3844, 5014880), (3968, 4858165), (4030, 4783424), (4160, 4633942), (4805, 4011904), (4822, 3997760), (4960, 3886532), (6448, 2989640), (7688, 2507440), (8060, 2391712), (8320, 2316971), (9610, 2005952), (9644, 1998880), (9920, 1943266), (12055, 1599104), (12493, 1543040), (12896, 1494820), (15376, 1253720), (16120, 1195856), (19220, 1002976), (19288, 999440), (19840, 971633), (24110, 799552), (24986, 771520), (25792, 747410), (30752, 626860), (31343, 615040), (32240, 597928), (38440, 501488), (38576, 499720), (48220, 399776), (49972, 385760), (51584, 373705), (61504, 313430), (62465, 308608), (62686, 307520), (64480, 298964), (74741, 257920), (76880, 250744), (77152, 249860), (96440, 199888), (99944, 192880), (123008, 156715), (124930, 154304), (125372, 153760), (128960, 149482)]