12502980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{9923}}^1$

素因数の和:9945

約数の個数: 72

約数和(自身を含む): 43348032

約数和(自身を除く): 30845052

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 9923, 19846, 29769, 39692, 49615, 59538, 69461, 89307, 99230, 119076, 138922, 148845, 178614, 198460, 208383, 277844, 297690, 347305, 357228, 416766, 446535, 595380, 625149, 694610, 833532, 893070, 1041915, 1250298, 1389220, 1786140, 2083830, 2500596, 3125745, 4167660, 6251490, 12502980]

約数ペア:

[(1, 12502980), (2, 6251490), (3, 4167660), (4, 3125745), (5, 2500596), (6, 2083830), (7, 1786140), (9, 1389220), (10, 1250298), (12, 1041915), (14, 893070), (15, 833532), (18, 694610), (20, 625149), (21, 595380), (28, 446535), (30, 416766), (35, 357228), (36, 347305), (42, 297690), (45, 277844), (60, 208383), (63, 198460), (70, 178614), (84, 148845), (90, 138922), (105, 119076), (126, 99230), (140, 89307), (180, 69461), (210, 59538), (252, 49615), (315, 39692), (420, 29769), (630, 19846), (1260, 9923)]