1661667840

素因数分解:

$2^9\times 3^2\times 5^1\times 7^1\times {\mathrm{10303}}^1$

素因数の和:10339

約数の個数: 240

約数和(自身を含む): 6577579008

約数和(自身を除く): 4915911168

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, 256, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 512, 560, 576, 630, 640, 672, 720, 768, 840, 896, 960, 1008, 1120, 1152, 1260, 1280, 1344, 1440, 1536, 1680, 1792, 1920, 2016, 2240, 2304, 2520, 2560, 2688, 2880, 3360, 3584, 3840, 4032, 4480, 4608, 5040, 5376, 5760, 6720, 7680, 8064, 8960, 10080, 10303, 10752, 11520, 13440, 16128, 17920, 20160, 20606, 23040, 26880, 30909, 32256, 40320, 41212, 51515, 53760, 61818, 72121, 80640, 82424, 92727, 103030, 123636, 144242, 154545, 161280, 164848, 185454, 206060, 216363, 247272, 288484, 309090, 329696, 360605, 370908, 412120, 432726, 463635, 494544, 576968, 618180, 649089, 659392, 721210, 741816, 824240, 865452, 927270, 989088, 1081815, 1153936, 1236360, 1298178, 1318784, 1442420, 1483632, 1648480, 1730904, 1854540, 1978176, 2163630, 2307872, 2472720, 2596356, 2637568, 2884840, 2967264, 3245445, 3296960, 3461808, 3709080, 3956352, 4327260, 4615744, 4945440, 5192712, 5275136, 5769680, 5934528, 6490890, 6593920, 6923616, 7418160, 7912704, 8654520, 9231488, 9890880, 10385424, 11539360, 11869056, 12981780, 13187840, 13847232, 14836320, 15825408, 17309040, 18462976, 19781760, 20770848, 23078720, 23738112, 25963560, 26375680, 27694464, 29672640, 34618080, 36925952, 39563520, 41541696, 46157440, 47476224, 51927120, 55388928, 59345280, 69236160, 79127040, 83083392, 92314880, 103854240, 110777856, 118690560, 138472320, 166166784, 184629760, 207708480, 237381120, 276944640, 332333568, 415416960, 553889280, 830833920, 1661667840]

約数ペア:

[(1, 1661667840), (2, 830833920), (3, 553889280), (4, 415416960), (5, 332333568), (6, 276944640), (7, 237381120), (8, 207708480), (9, 184629760), (10, 166166784), (12, 138472320), (14, 118690560), (15, 110777856), (16, 103854240), (18, 92314880), (20, 83083392), (21, 79127040), (24, 69236160), (28, 59345280), (30, 55388928), (32, 51927120), (35, 47476224), (36, 46157440), (40, 41541696), (42, 39563520), (45, 36925952), (48, 34618080), (56, 29672640), (60, 27694464), (63, 26375680), (64, 25963560), (70, 23738112), (72, 23078720), (80, 20770848), (84, 19781760), (90, 18462976), (96, 17309040), (105, 15825408), (112, 14836320), (120, 13847232), (126, 13187840), (128, 12981780), (140, 11869056), (144, 11539360), (160, 10385424), (168, 9890880), (180, 9231488), (192, 8654520), (210, 7912704), (224, 7418160), (240, 6923616), (252, 6593920), (256, 6490890), (280, 5934528), (288, 5769680), (315, 5275136), (320, 5192712), (336, 4945440), (360, 4615744), (384, 4327260), (420, 3956352), (448, 3709080), (480, 3461808), (504, 3296960), (512, 3245445), (560, 2967264), (576, 2884840), (630, 2637568), (640, 2596356), (672, 2472720), (720, 2307872), (768, 2163630), (840, 1978176), (896, 1854540), (960, 1730904), (1008, 1648480), (1120, 1483632), (1152, 1442420), (1260, 1318784), (1280, 1298178), (1344, 1236360), (1440, 1153936), (1536, 1081815), (1680, 989088), (1792, 927270), (1920, 865452), (2016, 824240), (2240, 741816), (2304, 721210), (2520, 659392), (2560, 649089), (2688, 618180), (2880, 576968), (3360, 494544), (3584, 463635), (3840, 432726), (4032, 412120), (4480, 370908), (4608, 360605), (5040, 329696), (5376, 309090), (5760, 288484), (6720, 247272), (7680, 216363), (8064, 206060), (8960, 185454), (10080, 164848), (10303, 161280), (10752, 154545), (11520, 144242), (13440, 123636), (16128, 103030), (17920, 92727), (20160, 82424), (20606, 80640), (23040, 72121), (26880, 61818), (30909, 53760), (32256, 51515), (40320, 41212)]