320563880

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{547}}^1$

素因数の和:608

約数の個数: 192

約数和(自身を含む): 944576640

約数和(自身を除く): 624012760

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 23, 26, 28, 35, 40, 46, 49, 52, 56, 65, 70, 91, 92, 98, 104, 115, 130, 140, 161, 182, 184, 196, 230, 245, 260, 280, 299, 322, 364, 392, 455, 460, 490, 520, 547, 598, 637, 644, 728, 805, 910, 920, 980, 1094, 1127, 1196, 1274, 1288, 1495, 1610, 1820, 1960, 2093, 2188, 2254, 2392, 2548, 2735, 2990, 3185, 3220, 3640, 3829, 4186, 4376, 4508, 5096, 5470, 5635, 5980, 6370, 6440, 7111, 7658, 8372, 9016, 10465, 10940, 11270, 11960, 12581, 12740, 14222, 14651, 15316, 16744, 19145, 20930, 21880, 22540, 25162, 25480, 26803, 28444, 29302, 30632, 35555, 38290, 41860, 45080, 49777, 50324, 53606, 56888, 58604, 62905, 71110, 73255, 76580, 83720, 88067, 99554, 100648, 107212, 117208, 125810, 134015, 142220, 146510, 153160, 163553, 176134, 199108, 214424, 248885, 251620, 268030, 284440, 293020, 327106, 348439, 352268, 398216, 440335, 497770, 503240, 536060, 586040, 616469, 654212, 696878, 704536, 817765, 880670, 995540, 1072120, 1144871, 1232938, 1308424, 1393756, 1635530, 1742195, 1761340, 1991080, 2289742, 2465876, 2787512, 3082345, 3271060, 3484390, 3522680, 4579484, 4931752, 5724355, 6164690, 6542120, 6968780, 8014097, 9158968, 11448710, 12329380, 13937560, 16028194, 22897420, 24658760, 32056388, 40070485, 45794840, 64112776, 80140970, 160281940, 320563880]

約数ペア:

[(1, 320563880), (2, 160281940), (4, 80140970), (5, 64112776), (7, 45794840), (8, 40070485), (10, 32056388), (13, 24658760), (14, 22897420), (20, 16028194), (23, 13937560), (26, 12329380), (28, 11448710), (35, 9158968), (40, 8014097), (46, 6968780), (49, 6542120), (52, 6164690), (56, 5724355), (65, 4931752), (70, 4579484), (91, 3522680), (92, 3484390), (98, 3271060), (104, 3082345), (115, 2787512), (130, 2465876), (140, 2289742), (161, 1991080), (182, 1761340), (184, 1742195), (196, 1635530), (230, 1393756), (245, 1308424), (260, 1232938), (280, 1144871), (299, 1072120), (322, 995540), (364, 880670), (392, 817765), (455, 704536), (460, 696878), (490, 654212), (520, 616469), (547, 586040), (598, 536060), (637, 503240), (644, 497770), (728, 440335), (805, 398216), (910, 352268), (920, 348439), (980, 327106), (1094, 293020), (1127, 284440), (1196, 268030), (1274, 251620), (1288, 248885), (1495, 214424), (1610, 199108), (1820, 176134), (1960, 163553), (2093, 153160), (2188, 146510), (2254, 142220), (2392, 134015), (2548, 125810), (2735, 117208), (2990, 107212), (3185, 100648), (3220, 99554), (3640, 88067), (3829, 83720), (4186, 76580), (4376, 73255), (4508, 71110), (5096, 62905), (5470, 58604), (5635, 56888), (5980, 53606), (6370, 50324), (6440, 49777), (7111, 45080), (7658, 41860), (8372, 38290), (9016, 35555), (10465, 30632), (10940, 29302), (11270, 28444), (11960, 26803), (12581, 25480), (12740, 25162), (14222, 22540), (14651, 21880), (15316, 20930), (16744, 19145)]