261717120

素因数分解:

$2^7\times 3^2\times 5^1\times 7^1\times {\mathrm{6491}}^1$

素因数の和:6523

約数の個数: 192

約数和(自身を含む): 1033007040

約数和(自身を除く): 771289920

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, 1008, 1120, 1152, 1260, 1344, 1440, 1680, 1920, 2016, 2240, 2520, 2688, 2880, 3360, 4032, 4480, 5040, 5760, 6491, 6720, 8064, 10080, 12982, 13440, 19473, 20160, 25964, 32455, 38946, 40320, 45437, 51928, 58419, 64910, 77892, 90874, 97365, 103856, 116838, 129820, 136311, 155784, 181748, 194730, 207712, 227185, 233676, 259640, 272622, 292095, 311568, 363496, 389460, 408933, 415424, 454370, 467352, 519280, 545244, 584190, 623136, 681555, 726992, 778920, 817866, 830848, 908740, 934704, 1038560, 1090488, 1168380, 1246272, 1363110, 1453984, 1557840, 1635732, 1817480, 1869408, 2044665, 2077120, 2180976, 2336760, 2492544, 2726220, 2907968, 3115680, 3271464, 3634960, 3738816, 4089330, 4154240, 4361952, 4673520, 5452440, 5815936, 6231360, 6542928, 7269920, 7477632, 8178660, 8723904, 9347040, 10904880, 12462720, 13085856, 14539840, 16357320, 17447808, 18694080, 21809760, 26171712, 29079680, 32714640, 37388160, 43619520, 52343424, 65429280, 87239040, 130858560, 261717120]

約数ペア:

[(1, 261717120), (2, 130858560), (3, 87239040), (4, 65429280), (5, 52343424), (6, 43619520), (7, 37388160), (8, 32714640), (9, 29079680), (10, 26171712), (12, 21809760), (14, 18694080), (15, 17447808), (16, 16357320), (18, 14539840), (20, 13085856), (21, 12462720), (24, 10904880), (28, 9347040), (30, 8723904), (32, 8178660), (35, 7477632), (36, 7269920), (40, 6542928), (42, 6231360), (45, 5815936), (48, 5452440), (56, 4673520), (60, 4361952), (63, 4154240), (64, 4089330), (70, 3738816), (72, 3634960), (80, 3271464), (84, 3115680), (90, 2907968), (96, 2726220), (105, 2492544), (112, 2336760), (120, 2180976), (126, 2077120), (128, 2044665), (140, 1869408), (144, 1817480), (160, 1635732), (168, 1557840), (180, 1453984), (192, 1363110), (210, 1246272), (224, 1168380), (240, 1090488), (252, 1038560), (280, 934704), (288, 908740), (315, 830848), (320, 817866), (336, 778920), (360, 726992), (384, 681555), (420, 623136), (448, 584190), (480, 545244), (504, 519280), (560, 467352), (576, 454370), (630, 415424), (640, 408933), (672, 389460), (720, 363496), (840, 311568), (896, 292095), (960, 272622), (1008, 259640), (1120, 233676), (1152, 227185), (1260, 207712), (1344, 194730), (1440, 181748), (1680, 155784), (1920, 136311), (2016, 129820), (2240, 116838), (2520, 103856), (2688, 97365), (2880, 90874), (3360, 77892), (4032, 64910), (4480, 58419), (5040, 51928), (5760, 45437), (6491, 40320), (6720, 38946), (8064, 32455), (10080, 25964), (12982, 20160), (13440, 19473)]