74142720

素因数分解:

$2^{10}\times 3^2\times 5^1\times {\mathrm{1609}}^1$

素因数の和:1640

約数の個数: 132

約数和(自身を含む): 257062260

約数和(自身を除く): 182919540

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, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 512, 576, 640, 720, 768, 960, 1024, 1152, 1280, 1440, 1536, 1609, 1920, 2304, 2560, 2880, 3072, 3218, 3840, 4608, 4827, 5120, 5760, 6436, 7680, 8045, 9216, 9654, 11520, 12872, 14481, 15360, 16090, 19308, 23040, 24135, 25744, 28962, 32180, 38616, 46080, 48270, 51488, 57924, 64360, 72405, 77232, 96540, 102976, 115848, 128720, 144810, 154464, 193080, 205952, 231696, 257440, 289620, 308928, 386160, 411904, 463392, 514880, 579240, 617856, 772320, 823808, 926784, 1029760, 1158480, 1235712, 1544640, 1647616, 1853568, 2059520, 2316960, 2471424, 3089280, 3707136, 4119040, 4633920, 4942848, 6178560, 7414272, 8238080, 9267840, 12357120, 14828544, 18535680, 24714240, 37071360, 74142720]

約数ペア:

[(1, 74142720), (2, 37071360), (3, 24714240), (4, 18535680), (5, 14828544), (6, 12357120), (8, 9267840), (9, 8238080), (10, 7414272), (12, 6178560), (15, 4942848), (16, 4633920), (18, 4119040), (20, 3707136), (24, 3089280), (30, 2471424), (32, 2316960), (36, 2059520), (40, 1853568), (45, 1647616), (48, 1544640), (60, 1235712), (64, 1158480), (72, 1029760), (80, 926784), (90, 823808), (96, 772320), (120, 617856), (128, 579240), (144, 514880), (160, 463392), (180, 411904), (192, 386160), (240, 308928), (256, 289620), (288, 257440), (320, 231696), (360, 205952), (384, 193080), (480, 154464), (512, 144810), (576, 128720), (640, 115848), (720, 102976), (768, 96540), (960, 77232), (1024, 72405), (1152, 64360), (1280, 57924), (1440, 51488), (1536, 48270), (1609, 46080), (1920, 38616), (2304, 32180), (2560, 28962), (2880, 25744), (3072, 24135), (3218, 23040), (3840, 19308), (4608, 16090), (4827, 15360), (5120, 14481), (5760, 12872), (6436, 11520), (7680, 9654), (8045, 9216)]