18558720

素因数分解:

$2^8\times 3^4\times 5^1\times {\mathrm{179}}^1$

素因数の和:212

約数の個数: 180

約数和(自身を含む): 66777480

約数和(自身を除く): 48218760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 179, 180, 192, 216, 240, 256, 270, 288, 320, 324, 358, 360, 384, 405, 432, 480, 537, 540, 576, 640, 648, 716, 720, 768, 810, 864, 895, 960, 1074, 1080, 1152, 1280, 1296, 1432, 1440, 1611, 1620, 1728, 1790, 1920, 2148, 2160, 2304, 2592, 2685, 2864, 2880, 3222, 3240, 3456, 3580, 3840, 4296, 4320, 4833, 5184, 5370, 5728, 5760, 6444, 6480, 6912, 7160, 8055, 8592, 8640, 9666, 10368, 10740, 11456, 11520, 12888, 12960, 14320, 14499, 16110, 17184, 17280, 19332, 20736, 21480, 22912, 24165, 25776, 25920, 28640, 28998, 32220, 34368, 34560, 38664, 42960, 45824, 48330, 51552, 51840, 57280, 57996, 64440, 68736, 72495, 77328, 85920, 96660, 103104, 103680, 114560, 115992, 128880, 137472, 144990, 154656, 171840, 193320, 206208, 229120, 231984, 257760, 289980, 309312, 343680, 386640, 412416, 463968, 515520, 579960, 618624, 687360, 773280, 927936, 1031040, 1159920, 1237248, 1546560, 1855872, 2062080, 2319840, 3093120, 3711744, 4639680, 6186240, 9279360, 18558720]

約数ペア:

[(1, 18558720), (2, 9279360), (3, 6186240), (4, 4639680), (5, 3711744), (6, 3093120), (8, 2319840), (9, 2062080), (10, 1855872), (12, 1546560), (15, 1237248), (16, 1159920), (18, 1031040), (20, 927936), (24, 773280), (27, 687360), (30, 618624), (32, 579960), (36, 515520), (40, 463968), (45, 412416), (48, 386640), (54, 343680), (60, 309312), (64, 289980), (72, 257760), (80, 231984), (81, 229120), (90, 206208), (96, 193320), (108, 171840), (120, 154656), (128, 144990), (135, 137472), (144, 128880), (160, 115992), (162, 114560), (179, 103680), (180, 103104), (192, 96660), (216, 85920), (240, 77328), (256, 72495), (270, 68736), (288, 64440), (320, 57996), (324, 57280), (358, 51840), (360, 51552), (384, 48330), (405, 45824), (432, 42960), (480, 38664), (537, 34560), (540, 34368), (576, 32220), (640, 28998), (648, 28640), (716, 25920), (720, 25776), (768, 24165), (810, 22912), (864, 21480), (895, 20736), (960, 19332), (1074, 17280), (1080, 17184), (1152, 16110), (1280, 14499), (1296, 14320), (1432, 12960), (1440, 12888), (1611, 11520), (1620, 11456), (1728, 10740), (1790, 10368), (1920, 9666), (2148, 8640), (2160, 8592), (2304, 8055), (2592, 7160), (2685, 6912), (2864, 6480), (2880, 6444), (3222, 5760), (3240, 5728), (3456, 5370), (3580, 5184), (3840, 4833), (4296, 4320)]