131287680

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{991}}^1$

素因数の和:1039

約数の個数: 192

約数和(自身を含む): 473541120

約数和(自身を除く): 342253440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 32, 36, 40, 45, 46, 48, 60, 64, 69, 72, 80, 90, 92, 96, 115, 120, 128, 138, 144, 160, 180, 184, 192, 207, 230, 240, 276, 288, 320, 345, 360, 368, 384, 414, 460, 480, 552, 576, 640, 690, 720, 736, 828, 920, 960, 991, 1035, 1104, 1152, 1380, 1440, 1472, 1656, 1840, 1920, 1982, 2070, 2208, 2760, 2880, 2944, 2973, 3312, 3680, 3964, 4140, 4416, 4955, 5520, 5760, 5946, 6624, 7360, 7928, 8280, 8832, 8919, 9910, 11040, 11892, 13248, 14720, 14865, 15856, 16560, 17838, 19820, 22080, 22793, 23784, 26496, 29730, 31712, 33120, 35676, 39640, 44160, 44595, 45586, 47568, 59460, 63424, 66240, 68379, 71352, 79280, 89190, 91172, 95136, 113965, 118920, 126848, 132480, 136758, 142704, 158560, 178380, 182344, 190272, 205137, 227930, 237840, 273516, 285408, 317120, 341895, 356760, 364688, 380544, 410274, 455860, 475680, 547032, 570816, 634240, 683790, 713520, 729376, 820548, 911720, 951360, 1025685, 1094064, 1141632, 1367580, 1427040, 1458752, 1641096, 1823440, 1902720, 2051370, 2188128, 2735160, 2854080, 2917504, 3282192, 3646880, 4102740, 4376256, 5470320, 5708160, 6564384, 7293760, 8205480, 8752512, 10940640, 13128768, 14587520, 16410960, 21881280, 26257536, 32821920, 43762560, 65643840, 131287680]

約数ペア:

[(1, 131287680), (2, 65643840), (3, 43762560), (4, 32821920), (5, 26257536), (6, 21881280), (8, 16410960), (9, 14587520), (10, 13128768), (12, 10940640), (15, 8752512), (16, 8205480), (18, 7293760), (20, 6564384), (23, 5708160), (24, 5470320), (30, 4376256), (32, 4102740), (36, 3646880), (40, 3282192), (45, 2917504), (46, 2854080), (48, 2735160), (60, 2188128), (64, 2051370), (69, 1902720), (72, 1823440), (80, 1641096), (90, 1458752), (92, 1427040), (96, 1367580), (115, 1141632), (120, 1094064), (128, 1025685), (138, 951360), (144, 911720), (160, 820548), (180, 729376), (184, 713520), (192, 683790), (207, 634240), (230, 570816), (240, 547032), (276, 475680), (288, 455860), (320, 410274), (345, 380544), (360, 364688), (368, 356760), (384, 341895), (414, 317120), (460, 285408), (480, 273516), (552, 237840), (576, 227930), (640, 205137), (690, 190272), (720, 182344), (736, 178380), (828, 158560), (920, 142704), (960, 136758), (991, 132480), (1035, 126848), (1104, 118920), (1152, 113965), (1380, 95136), (1440, 91172), (1472, 89190), (1656, 79280), (1840, 71352), (1920, 68379), (1982, 66240), (2070, 63424), (2208, 59460), (2760, 47568), (2880, 45586), (2944, 44595), (2973, 44160), (3312, 39640), (3680, 35676), (3964, 33120), (4140, 31712), (4416, 29730), (4955, 26496), (5520, 23784), (5760, 22793), (5946, 22080), (6624, 19820), (7360, 17838), (7928, 16560), (8280, 15856), (8832, 14865), (8919, 14720), (9910, 13248), (11040, 11892)]