12988891980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{568193}}^1$

素因数の和:568335

約数の個数: 72

約数和(自身を含む): 39709942272

約数和(自身を除く): 26721050292

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 127, 180, 254, 381, 508, 635, 762, 1143, 1270, 1524, 1905, 2286, 2540, 3810, 4572, 5715, 7620, 11430, 22860, 568193, 1136386, 1704579, 2272772, 2840965, 3409158, 5113737, 5681930, 6818316, 8522895, 10227474, 11363860, 17045790, 20454948, 25568685, 34091580, 51137370, 72160511, 102274740, 144321022, 216481533, 288642044, 360802555, 432963066, 649444599, 721605110, 865926132, 1082407665, 1298889198, 1443210220, 2164815330, 2597778396, 3247222995, 4329630660, 6494445990, 12988891980]

約数ペア:

[(1, 12988891980), (2, 6494445990), (3, 4329630660), (4, 3247222995), (5, 2597778396), (6, 2164815330), (9, 1443210220), (10, 1298889198), (12, 1082407665), (15, 865926132), (18, 721605110), (20, 649444599), (30, 432963066), (36, 360802555), (45, 288642044), (60, 216481533), (90, 144321022), (127, 102274740), (180, 72160511), (254, 51137370), (381, 34091580), (508, 25568685), (635, 20454948), (762, 17045790), (1143, 11363860), (1270, 10227474), (1524, 8522895), (1905, 6818316), (2286, 5681930), (2540, 5113737), (3810, 3409158), (4572, 2840965), (5715, 2272772), (7620, 1704579), (11430, 1136386), (22860, 568193)]