2498580

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{661}}^1$

素因数の和:686

約数の個数: 96

約数和(自身を含む): 8897280

約数和(自身を除く): 6398700

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, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 661, 756, 945, 1260, 1322, 1890, 1983, 2644, 3305, 3780, 3966, 4627, 5949, 6610, 7932, 9254, 9915, 11898, 13220, 13881, 17847, 18508, 19830, 23135, 23796, 27762, 29745, 35694, 39660, 41643, 46270, 55524, 59490, 69405, 71388, 83286, 89235, 92540, 118980, 124929, 138810, 166572, 178470, 208215, 249858, 277620, 356940, 416430, 499716, 624645, 832860, 1249290, 2498580]

約数ペア:

[(1, 2498580), (2, 1249290), (3, 832860), (4, 624645), (5, 499716), (6, 416430), (7, 356940), (9, 277620), (10, 249858), (12, 208215), (14, 178470), (15, 166572), (18, 138810), (20, 124929), (21, 118980), (27, 92540), (28, 89235), (30, 83286), (35, 71388), (36, 69405), (42, 59490), (45, 55524), (54, 46270), (60, 41643), (63, 39660), (70, 35694), (84, 29745), (90, 27762), (105, 23796), (108, 23135), (126, 19830), (135, 18508), (140, 17847), (180, 13881), (189, 13220), (210, 11898), (252, 9915), (270, 9254), (315, 7932), (378, 6610), (420, 5949), (540, 4627), (630, 3966), (661, 3780), (756, 3305), (945, 2644), (1260, 1983), (1322, 1890)]