131617920

素因数分解:

$2^7\times 3^1\times 5^1\times 7^2\times {\mathrm{1399}}^1$

素因数の和:1435

約数の個数: 192

約数和(自身を含む): 488376000

約数和(自身を除く): 356758080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 128, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 280, 294, 320, 336, 384, 392, 420, 448, 480, 490, 560, 588, 640, 672, 735, 784, 840, 896, 960, 980, 1120, 1176, 1344, 1399, 1470, 1568, 1680, 1920, 1960, 2240, 2352, 2688, 2798, 2940, 3136, 3360, 3920, 4197, 4480, 4704, 5596, 5880, 6272, 6720, 6995, 7840, 8394, 9408, 9793, 11192, 11760, 13440, 13990, 15680, 16788, 18816, 19586, 20985, 22384, 23520, 27980, 29379, 31360, 33576, 39172, 41970, 44768, 47040, 48965, 55960, 58758, 67152, 68551, 78344, 83940, 89536, 94080, 97930, 111920, 117516, 134304, 137102, 146895, 156688, 167880, 179072, 195860, 205653, 223840, 235032, 268608, 274204, 293790, 313376, 335760, 342755, 391720, 411306, 447680, 470064, 537216, 548408, 587580, 626752, 671520, 685510, 783440, 822612, 895360, 940128, 1028265, 1096816, 1175160, 1253504, 1343040, 1371020, 1566880, 1645224, 1880256, 2056530, 2193632, 2350320, 2686080, 2742040, 3133760, 3290448, 3760512, 4113060, 4387264, 4700640, 5484080, 6267520, 6580896, 8226120, 8774528, 9401280, 10968160, 13161792, 16452240, 18802560, 21936320, 26323584, 32904480, 43872640, 65808960, 131617920]

約数ペア:

[(1, 131617920), (2, 65808960), (3, 43872640), (4, 32904480), (5, 26323584), (6, 21936320), (7, 18802560), (8, 16452240), (10, 13161792), (12, 10968160), (14, 9401280), (15, 8774528), (16, 8226120), (20, 6580896), (21, 6267520), (24, 5484080), (28, 4700640), (30, 4387264), (32, 4113060), (35, 3760512), (40, 3290448), (42, 3133760), (48, 2742040), (49, 2686080), (56, 2350320), (60, 2193632), (64, 2056530), (70, 1880256), (80, 1645224), (84, 1566880), (96, 1371020), (98, 1343040), (105, 1253504), (112, 1175160), (120, 1096816), (128, 1028265), (140, 940128), (147, 895360), (160, 822612), (168, 783440), (192, 685510), (196, 671520), (210, 626752), (224, 587580), (240, 548408), (245, 537216), (280, 470064), (294, 447680), (320, 411306), (336, 391720), (384, 342755), (392, 335760), (420, 313376), (448, 293790), (480, 274204), (490, 268608), (560, 235032), (588, 223840), (640, 205653), (672, 195860), (735, 179072), (784, 167880), (840, 156688), (896, 146895), (960, 137102), (980, 134304), (1120, 117516), (1176, 111920), (1344, 97930), (1399, 94080), (1470, 89536), (1568, 83940), (1680, 78344), (1920, 68551), (1960, 67152), (2240, 58758), (2352, 55960), (2688, 48965), (2798, 47040), (2940, 44768), (3136, 41970), (3360, 39172), (3920, 33576), (4197, 31360), (4480, 29379), (4704, 27980), (5596, 23520), (5880, 22384), (6272, 20985), (6720, 19586), (6995, 18816), (7840, 16788), (8394, 15680), (9408, 13990), (9793, 13440), (11192, 11760)]