12748980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{431}}^1$

素因数の和:489

約数の個数: 96

約数和(自身を含む): 39191040

約数和(自身を除く): 26442060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 29, 30, 34, 51, 58, 60, 68, 85, 87, 102, 116, 145, 170, 174, 204, 255, 290, 340, 348, 431, 435, 493, 510, 580, 862, 870, 986, 1020, 1293, 1479, 1724, 1740, 1972, 2155, 2465, 2586, 2958, 4310, 4930, 5172, 5916, 6465, 7327, 7395, 8620, 9860, 12499, 12930, 14654, 14790, 21981, 24998, 25860, 29308, 29580, 36635, 37497, 43962, 49996, 62495, 73270, 74994, 87924, 109905, 124990, 146540, 149988, 187485, 212483, 219810, 249980, 374970, 424966, 439620, 637449, 749940, 849932, 1062415, 1274898, 2124830, 2549796, 3187245, 4249660, 6374490, 12748980]

約数ペア:

[(1, 12748980), (2, 6374490), (3, 4249660), (4, 3187245), (5, 2549796), (6, 2124830), (10, 1274898), (12, 1062415), (15, 849932), (17, 749940), (20, 637449), (29, 439620), (30, 424966), (34, 374970), (51, 249980), (58, 219810), (60, 212483), (68, 187485), (85, 149988), (87, 146540), (102, 124990), (116, 109905), (145, 87924), (170, 74994), (174, 73270), (204, 62495), (255, 49996), (290, 43962), (340, 37497), (348, 36635), (431, 29580), (435, 29308), (493, 25860), (510, 24998), (580, 21981), (862, 14790), (870, 14654), (986, 12930), (1020, 12499), (1293, 9860), (1479, 8620), (1724, 7395), (1740, 7327), (1972, 6465), (2155, 5916), (2465, 5172), (2586, 4930), (2958, 4310)]