131071680

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{641}}^1$

素因数の和:735

約数の個数: 168

約数和(自身を含む): 457894944

約数和(自身を除く): 326823264

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 71, 72, 80, 90, 96, 120, 142, 144, 160, 180, 192, 213, 240, 284, 288, 320, 355, 360, 426, 480, 568, 576, 639, 641, 710, 720, 852, 960, 1065, 1136, 1278, 1282, 1420, 1440, 1704, 1923, 2130, 2272, 2556, 2564, 2840, 2880, 3195, 3205, 3408, 3846, 4260, 4544, 5112, 5128, 5680, 5769, 6390, 6410, 6816, 7692, 8520, 9615, 10224, 10256, 11360, 11538, 12780, 12820, 13632, 15384, 17040, 19230, 20448, 20512, 22720, 23076, 25560, 25640, 28845, 30768, 34080, 38460, 40896, 41024, 45511, 46152, 51120, 51280, 57690, 61536, 68160, 76920, 91022, 92304, 102240, 102560, 115380, 123072, 136533, 153840, 182044, 184608, 204480, 205120, 227555, 230760, 273066, 307680, 364088, 369216, 409599, 455110, 461520, 546132, 615360, 682665, 728176, 819198, 910220, 923040, 1092264, 1365330, 1456352, 1638396, 1820440, 1846080, 2047995, 2184528, 2730660, 2912704, 3276792, 3640880, 4095990, 4369056, 5461320, 6553584, 7281760, 8191980, 8738112, 10922640, 13107168, 14563520, 16383960, 21845280, 26214336, 32767920, 43690560, 65535840, 131071680]

約数ペア:

[(1, 131071680), (2, 65535840), (3, 43690560), (4, 32767920), (5, 26214336), (6, 21845280), (8, 16383960), (9, 14563520), (10, 13107168), (12, 10922640), (15, 8738112), (16, 8191980), (18, 7281760), (20, 6553584), (24, 5461320), (30, 4369056), (32, 4095990), (36, 3640880), (40, 3276792), (45, 2912704), (48, 2730660), (60, 2184528), (64, 2047995), (71, 1846080), (72, 1820440), (80, 1638396), (90, 1456352), (96, 1365330), (120, 1092264), (142, 923040), (144, 910220), (160, 819198), (180, 728176), (192, 682665), (213, 615360), (240, 546132), (284, 461520), (288, 455110), (320, 409599), (355, 369216), (360, 364088), (426, 307680), (480, 273066), (568, 230760), (576, 227555), (639, 205120), (641, 204480), (710, 184608), (720, 182044), (852, 153840), (960, 136533), (1065, 123072), (1136, 115380), (1278, 102560), (1282, 102240), (1420, 92304), (1440, 91022), (1704, 76920), (1923, 68160), (2130, 61536), (2272, 57690), (2556, 51280), (2564, 51120), (2840, 46152), (2880, 45511), (3195, 41024), (3205, 40896), (3408, 38460), (3846, 34080), (4260, 30768), (4544, 28845), (5112, 25640), (5128, 25560), (5680, 23076), (5769, 22720), (6390, 20512), (6410, 20448), (6816, 19230), (7692, 17040), (8520, 15384), (9615, 13632), (10224, 12820), (10256, 12780), (11360, 11538)]