1991475360

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{197567}}^1$

素因数の和:197595

約数の個数: 144

約数和(自身を含む): 7766793216

約数和(自身を除く): 5775317856

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 197567, 395134, 592701, 790268, 987835, 1185402, 1382969, 1580536, 1778103, 1975670, 2370804, 2765938, 2963505, 3161072, 3556206, 3951340, 4148907, 4741608, 5531876, 5927010, 6322144, 6914845, 7112412, 7902680, 8297814, 8890515, 9483216, 11063752, 11854020, 12446721, 13829690, 14224824, 15805360, 16595628, 17781030, 18966432, 20744535, 22127504, 23708040, 24893442, 27659380, 28449648, 31610720, 33191256, 35562060, 41489070, 44255008, 47416080, 49786884, 55318760, 56899296, 62233605, 66382512, 71124120, 82978140, 94832160, 99573768, 110637520, 124467210, 132765024, 142248240, 165956280, 199147536, 221275040, 248934420, 284496480, 331912560, 398295072, 497868840, 663825120, 995737680, 1991475360]

約数ペア:

[(1, 1991475360), (2, 995737680), (3, 663825120), (4, 497868840), (5, 398295072), (6, 331912560), (7, 284496480), (8, 248934420), (9, 221275040), (10, 199147536), (12, 165956280), (14, 142248240), (15, 132765024), (16, 124467210), (18, 110637520), (20, 99573768), (21, 94832160), (24, 82978140), (28, 71124120), (30, 66382512), (32, 62233605), (35, 56899296), (36, 55318760), (40, 49786884), (42, 47416080), (45, 44255008), (48, 41489070), (56, 35562060), (60, 33191256), (63, 31610720), (70, 28449648), (72, 27659380), (80, 24893442), (84, 23708040), (90, 22127504), (96, 20744535), (105, 18966432), (112, 17781030), (120, 16595628), (126, 15805360), (140, 14224824), (144, 13829690), (160, 12446721), (168, 11854020), (180, 11063752), (210, 9483216), (224, 8890515), (240, 8297814), (252, 7902680), (280, 7112412), (288, 6914845), (315, 6322144), (336, 5927010), (360, 5531876), (420, 4741608), (480, 4148907), (504, 3951340), (560, 3556206), (630, 3161072), (672, 2963505), (720, 2765938), (840, 2370804), (1008, 1975670), (1120, 1778103), (1260, 1580536), (1440, 1382969), (1680, 1185402), (2016, 987835), (2520, 790268), (3360, 592701), (5040, 395134), (10080, 197567)]