40181760

素因数分解:

$2^{13}\times 3^2\times 5^1\times {\mathrm{109}}^1$

素因数の和:146

約数の個数: 168

約数和(自身を含む): 140566140

約数和(自身を除く): 100384380

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 109, 120, 128, 144, 160, 180, 192, 218, 240, 256, 288, 320, 327, 360, 384, 436, 480, 512, 545, 576, 640, 654, 720, 768, 872, 960, 981, 1024, 1090, 1152, 1280, 1308, 1440, 1536, 1635, 1744, 1920, 1962, 2048, 2180, 2304, 2560, 2616, 2880, 3072, 3270, 3488, 3840, 3924, 4096, 4360, 4608, 4905, 5120, 5232, 5760, 6144, 6540, 6976, 7680, 7848, 8192, 8720, 9216, 9810, 10240, 10464, 11520, 12288, 13080, 13952, 15360, 15696, 17440, 18432, 19620, 20480, 20928, 23040, 24576, 26160, 27904, 30720, 31392, 34880, 36864, 39240, 40960, 41856, 46080, 52320, 55808, 61440, 62784, 69760, 73728, 78480, 83712, 92160, 104640, 111616, 122880, 125568, 139520, 156960, 167424, 184320, 209280, 223232, 251136, 279040, 313920, 334848, 368640, 418560, 446464, 502272, 558080, 627840, 669696, 837120, 892928, 1004544, 1116160, 1255680, 1339392, 1674240, 2009088, 2232320, 2511360, 2678784, 3348480, 4018176, 4464640, 5022720, 6696960, 8036352, 10045440, 13393920, 20090880, 40181760]

約数ペア:

[(1, 40181760), (2, 20090880), (3, 13393920), (4, 10045440), (5, 8036352), (6, 6696960), (8, 5022720), (9, 4464640), (10, 4018176), (12, 3348480), (15, 2678784), (16, 2511360), (18, 2232320), (20, 2009088), (24, 1674240), (30, 1339392), (32, 1255680), (36, 1116160), (40, 1004544), (45, 892928), (48, 837120), (60, 669696), (64, 627840), (72, 558080), (80, 502272), (90, 446464), (96, 418560), (109, 368640), (120, 334848), (128, 313920), (144, 279040), (160, 251136), (180, 223232), (192, 209280), (218, 184320), (240, 167424), (256, 156960), (288, 139520), (320, 125568), (327, 122880), (360, 111616), (384, 104640), (436, 92160), (480, 83712), (512, 78480), (545, 73728), (576, 69760), (640, 62784), (654, 61440), (720, 55808), (768, 52320), (872, 46080), (960, 41856), (981, 40960), (1024, 39240), (1090, 36864), (1152, 34880), (1280, 31392), (1308, 30720), (1440, 27904), (1536, 26160), (1635, 24576), (1744, 23040), (1920, 20928), (1962, 20480), (2048, 19620), (2180, 18432), (2304, 17440), (2560, 15696), (2616, 15360), (2880, 13952), (3072, 13080), (3270, 12288), (3488, 11520), (3840, 10464), (3924, 10240), (4096, 9810), (4360, 9216), (4608, 8720), (4905, 8192), (5120, 7848), (5232, 7680), (5760, 6976), (6144, 6540)]