306557680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{211}}^1$

素因数の和:375

約数の個数: 160

約数和(自身を含む): 847945728

約数和(自身を除く): 541388048

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 127, 130, 143, 176, 208, 211, 220, 254, 260, 286, 422, 440, 508, 520, 572, 635, 715, 844, 880, 1016, 1040, 1055, 1144, 1270, 1397, 1430, 1651, 1688, 2032, 2110, 2288, 2321, 2540, 2743, 2794, 2860, 3302, 3376, 4220, 4642, 5080, 5486, 5588, 5720, 6604, 6985, 8255, 8440, 9284, 10160, 10972, 11176, 11440, 11605, 13208, 13715, 13970, 16510, 16880, 18161, 18568, 21944, 22352, 23210, 26416, 26797, 27430, 27940, 30173, 33020, 36322, 37136, 43888, 46420, 53594, 54860, 55880, 60346, 66040, 72644, 90805, 92840, 107188, 109720, 111760, 120692, 132080, 133985, 145288, 150865, 181610, 185680, 214376, 219440, 241384, 267970, 290576, 294767, 301730, 348361, 363220, 428752, 482768, 535940, 589534, 603460, 696722, 726440, 1071880, 1179068, 1206920, 1393444, 1452880, 1473835, 1741805, 2143760, 2358136, 2413840, 2786888, 2947670, 3483610, 3831971, 4716272, 5573776, 5895340, 6967220, 7663942, 11790680, 13934440, 15327884, 19159855, 23581360, 27868880, 30655768, 38319710, 61311536, 76639420, 153278840, 306557680]

約数ペア:

[(1, 306557680), (2, 153278840), (4, 76639420), (5, 61311536), (8, 38319710), (10, 30655768), (11, 27868880), (13, 23581360), (16, 19159855), (20, 15327884), (22, 13934440), (26, 11790680), (40, 7663942), (44, 6967220), (52, 5895340), (55, 5573776), (65, 4716272), (80, 3831971), (88, 3483610), (104, 2947670), (110, 2786888), (127, 2413840), (130, 2358136), (143, 2143760), (176, 1741805), (208, 1473835), (211, 1452880), (220, 1393444), (254, 1206920), (260, 1179068), (286, 1071880), (422, 726440), (440, 696722), (508, 603460), (520, 589534), (572, 535940), (635, 482768), (715, 428752), (844, 363220), (880, 348361), (1016, 301730), (1040, 294767), (1055, 290576), (1144, 267970), (1270, 241384), (1397, 219440), (1430, 214376), (1651, 185680), (1688, 181610), (2032, 150865), (2110, 145288), (2288, 133985), (2321, 132080), (2540, 120692), (2743, 111760), (2794, 109720), (2860, 107188), (3302, 92840), (3376, 90805), (4220, 72644), (4642, 66040), (5080, 60346), (5486, 55880), (5588, 54860), (5720, 53594), (6604, 46420), (6985, 43888), (8255, 37136), (8440, 36322), (9284, 33020), (10160, 30173), (10972, 27940), (11176, 27430), (11440, 26797), (11605, 26416), (13208, 23210), (13715, 22352), (13970, 21944), (16510, 18568), (16880, 18161)]