31627260

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{2789}}^1$

素因数の和:2817

約数の個数: 120

約数和(自身を含む): 113430240

約数和(自身を除く): 81802980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 252, 270, 315, 324, 378, 405, 420, 540, 567, 630, 756, 810, 945, 1134, 1260, 1620, 1890, 2268, 2789, 2835, 3780, 5578, 5670, 8367, 11156, 11340, 13945, 16734, 19523, 25101, 27890, 33468, 39046, 41835, 50202, 55780, 58569, 75303, 78092, 83670, 97615, 100404, 117138, 125505, 150606, 167340, 175707, 195230, 225909, 234276, 251010, 292845, 301212, 351414, 376515, 390460, 451818, 502020, 527121, 585690, 702828, 753030, 878535, 903636, 1054242, 1129545, 1171380, 1506060, 1581363, 1757070, 2108484, 2259090, 2635605, 3162726, 3514140, 4518180, 5271210, 6325452, 7906815, 10542420, 15813630, 31627260]

約数ペア:

[(1, 31627260), (2, 15813630), (3, 10542420), (4, 7906815), (5, 6325452), (6, 5271210), (7, 4518180), (9, 3514140), (10, 3162726), (12, 2635605), (14, 2259090), (15, 2108484), (18, 1757070), (20, 1581363), (21, 1506060), (27, 1171380), (28, 1129545), (30, 1054242), (35, 903636), (36, 878535), (42, 753030), (45, 702828), (54, 585690), (60, 527121), (63, 502020), (70, 451818), (81, 390460), (84, 376515), (90, 351414), (105, 301212), (108, 292845), (126, 251010), (135, 234276), (140, 225909), (162, 195230), (180, 175707), (189, 167340), (210, 150606), (252, 125505), (270, 117138), (315, 100404), (324, 97615), (378, 83670), (405, 78092), (420, 75303), (540, 58569), (567, 55780), (630, 50202), (756, 41835), (810, 39046), (945, 33468), (1134, 27890), (1260, 25101), (1620, 19523), (1890, 16734), (2268, 13945), (2789, 11340), (2835, 11156), (3780, 8367), (5578, 5670)]