39957120

素因数分解:

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

素因数の和:1023

約数の個数: 192

約数和(自身を含む): 157847040

約数和(自身を除く): 117889920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 720, 840, 896, 960, 991, 1008, 1120, 1152, 1260, 1344, 1440, 1680, 1920, 1982, 2016, 2240, 2520, 2688, 2880, 2973, 3360, 3964, 4032, 4480, 4955, 5040, 5760, 5946, 6720, 6937, 7928, 8064, 8919, 9910, 10080, 11892, 13440, 13874, 14865, 15856, 17838, 19820, 20160, 20811, 23784, 27748, 29730, 31712, 34685, 35676, 39640, 40320, 41622, 44595, 47568, 55496, 59460, 62433, 63424, 69370, 71352, 79280, 83244, 89190, 95136, 104055, 110992, 118920, 124866, 126848, 138740, 142704, 158560, 166488, 178380, 190272, 208110, 221984, 237840, 249732, 277480, 285408, 312165, 317120, 332976, 356760, 380544, 416220, 443968, 475680, 499464, 554960, 570816, 624330, 634240, 665952, 713520, 832440, 887936, 951360, 998928, 1109920, 1141632, 1248660, 1331904, 1427040, 1664880, 1902720, 1997856, 2219840, 2497320, 2663808, 2854080, 3329760, 3995712, 4439680, 4994640, 5708160, 6659520, 7991424, 9989280, 13319040, 19978560, 39957120]

約数ペア:

[(1, 39957120), (2, 19978560), (3, 13319040), (4, 9989280), (5, 7991424), (6, 6659520), (7, 5708160), (8, 4994640), (9, 4439680), (10, 3995712), (12, 3329760), (14, 2854080), (15, 2663808), (16, 2497320), (18, 2219840), (20, 1997856), (21, 1902720), (24, 1664880), (28, 1427040), (30, 1331904), (32, 1248660), (35, 1141632), (36, 1109920), (40, 998928), (42, 951360), (45, 887936), (48, 832440), (56, 713520), (60, 665952), (63, 634240), (64, 624330), (70, 570816), (72, 554960), (80, 499464), (84, 475680), (90, 443968), (96, 416220), (105, 380544), (112, 356760), (120, 332976), (126, 317120), (128, 312165), (140, 285408), (144, 277480), (160, 249732), (168, 237840), (180, 221984), (192, 208110), (210, 190272), (224, 178380), (240, 166488), (252, 158560), (280, 142704), (288, 138740), (315, 126848), (320, 124866), (336, 118920), (360, 110992), (384, 104055), (420, 95136), (448, 89190), (480, 83244), (504, 79280), (560, 71352), (576, 69370), (630, 63424), (640, 62433), (672, 59460), (720, 55496), (840, 47568), (896, 44595), (960, 41622), (991, 40320), (1008, 39640), (1120, 35676), (1152, 34685), (1260, 31712), (1344, 29730), (1440, 27748), (1680, 23784), (1920, 20811), (1982, 20160), (2016, 19820), (2240, 17838), (2520, 15856), (2688, 14865), (2880, 13874), (2973, 13440), (3360, 11892), (3964, 10080), (4032, 9910), (4480, 8919), (4955, 8064), (5040, 7928), (5760, 6937), (5946, 6720)]