261061020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131849}}^1$

素因数の和:131875

約数の個数: 72

約数和(自身を含む): 863881200

約数和(自身を除く): 602820180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 131849, 263698, 395547, 527396, 659245, 791094, 1186641, 1318490, 1450339, 1582188, 1977735, 2373282, 2636980, 2900678, 3955470, 4351017, 4746564, 5801356, 5933205, 7251695, 7910940, 8702034, 11866410, 13053051, 14503390, 17404068, 21755085, 23732820, 26106102, 29006780, 43510170, 52212204, 65265255, 87020340, 130530510, 261061020]

約数ペア:

[(1, 261061020), (2, 130530510), (3, 87020340), (4, 65265255), (5, 52212204), (6, 43510170), (9, 29006780), (10, 26106102), (11, 23732820), (12, 21755085), (15, 17404068), (18, 14503390), (20, 13053051), (22, 11866410), (30, 8702034), (33, 7910940), (36, 7251695), (44, 5933205), (45, 5801356), (55, 4746564), (60, 4351017), (66, 3955470), (90, 2900678), (99, 2636980), (110, 2373282), (132, 1977735), (165, 1582188), (180, 1450339), (198, 1318490), (220, 1186641), (330, 791094), (396, 659245), (495, 527396), (660, 395547), (990, 263698), (1980, 131849)]