1806390720

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{69691}}^1$

素因数の和:69720

約数の個数: 140

約数和(自身を含む): 6425741784

約数和(自身を除く): 4619351064

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, 135, 144, 160, 162, 180, 192, 216, 240, 270, 288, 320, 324, 360, 405, 432, 480, 540, 576, 648, 720, 810, 864, 960, 1080, 1296, 1440, 1620, 1728, 2160, 2592, 2880, 3240, 4320, 5184, 6480, 8640, 12960, 25920, 69691, 139382, 209073, 278764, 348455, 418146, 557528, 627219, 696910, 836292, 1045365, 1115056, 1254438, 1393820, 1672584, 1881657, 2090730, 2230112, 2508876, 2787640, 3136095, 3345168, 3763314, 4181460, 4460224, 5017752, 5575280, 5644971, 6272190, 6690336, 7526628, 8362920, 9408285, 10035504, 11150560, 11289942, 12544380, 13380672, 15053256, 16725840, 18816570, 20071008, 22301120, 22579884, 25088760, 28224855, 30106512, 33451680, 37633140, 40142016, 45159768, 50177520, 56449710, 60213024, 66903360, 75266280, 90319536, 100355040, 112899420, 120426048, 150532560, 180639072, 200710080, 225798840, 301065120, 361278144, 451597680, 602130240, 903195360, 1806390720]

約数ペア:

[(1, 1806390720), (2, 903195360), (3, 602130240), (4, 451597680), (5, 361278144), (6, 301065120), (8, 225798840), (9, 200710080), (10, 180639072), (12, 150532560), (15, 120426048), (16, 112899420), (18, 100355040), (20, 90319536), (24, 75266280), (27, 66903360), (30, 60213024), (32, 56449710), (36, 50177520), (40, 45159768), (45, 40142016), (48, 37633140), (54, 33451680), (60, 30106512), (64, 28224855), (72, 25088760), (80, 22579884), (81, 22301120), (90, 20071008), (96, 18816570), (108, 16725840), (120, 15053256), (135, 13380672), (144, 12544380), (160, 11289942), (162, 11150560), (180, 10035504), (192, 9408285), (216, 8362920), (240, 7526628), (270, 6690336), (288, 6272190), (320, 5644971), (324, 5575280), (360, 5017752), (405, 4460224), (432, 4181460), (480, 3763314), (540, 3345168), (576, 3136095), (648, 2787640), (720, 2508876), (810, 2230112), (864, 2090730), (960, 1881657), (1080, 1672584), (1296, 1393820), (1440, 1254438), (1620, 1115056), (1728, 1045365), (2160, 836292), (2592, 696910), (2880, 627219), (3240, 557528), (4320, 418146), (5184, 348455), (6480, 278764), (8640, 209073), (12960, 139382), (25920, 69691)]