81311040

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{3137}}^1$

素因数の和:3166

約数の個数: 140

約数和(自身を含む): 289329876

約数和(自身を除く): 208018836

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, 3137, 3240, 4320, 5184, 6274, 6480, 8640, 9411, 12548, 12960, 15685, 18822, 25096, 25920, 28233, 31370, 37644, 47055, 50192, 56466, 62740, 75288, 84699, 94110, 100384, 112932, 125480, 141165, 150576, 169398, 188220, 200768, 225864, 250960, 254097, 282330, 301152, 338796, 376440, 423495, 451728, 501920, 508194, 564660, 602304, 677592, 752880, 846990, 903456, 1003840, 1016388, 1129320, 1270485, 1355184, 1505760, 1693980, 1806912, 2032776, 2258640, 2540970, 2710368, 3011520, 3387960, 4065552, 4517280, 5081940, 5420736, 6775920, 8131104, 9034560, 10163880, 13551840, 16262208, 20327760, 27103680, 40655520, 81311040]

約数ペア:

[(1, 81311040), (2, 40655520), (3, 27103680), (4, 20327760), (5, 16262208), (6, 13551840), (8, 10163880), (9, 9034560), (10, 8131104), (12, 6775920), (15, 5420736), (16, 5081940), (18, 4517280), (20, 4065552), (24, 3387960), (27, 3011520), (30, 2710368), (32, 2540970), (36, 2258640), (40, 2032776), (45, 1806912), (48, 1693980), (54, 1505760), (60, 1355184), (64, 1270485), (72, 1129320), (80, 1016388), (81, 1003840), (90, 903456), (96, 846990), (108, 752880), (120, 677592), (135, 602304), (144, 564660), (160, 508194), (162, 501920), (180, 451728), (192, 423495), (216, 376440), (240, 338796), (270, 301152), (288, 282330), (320, 254097), (324, 250960), (360, 225864), (405, 200768), (432, 188220), (480, 169398), (540, 150576), (576, 141165), (648, 125480), (720, 112932), (810, 100384), (864, 94110), (960, 84699), (1080, 75288), (1296, 62740), (1440, 56466), (1620, 50192), (1728, 47055), (2160, 37644), (2592, 31370), (2880, 28233), (3137, 25920), (3240, 25096), (4320, 18822), (5184, 15685), (6274, 12960), (6480, 12548), (8640, 9411)]