205133580

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{379877}}^1$

素因数の和:379895

約数の個数: 48

約数和(自身を含む): 638195040

約数和(自身を除く): 433061460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 379877, 759754, 1139631, 1519508, 1899385, 2279262, 3418893, 3798770, 4558524, 5698155, 6837786, 7597540, 10256679, 11396310, 13675572, 17094465, 20513358, 22792620, 34188930, 41026716, 51283395, 68377860, 102566790, 205133580]

約数ペア:

[(1, 205133580), (2, 102566790), (3, 68377860), (4, 51283395), (5, 41026716), (6, 34188930), (9, 22792620), (10, 20513358), (12, 17094465), (15, 13675572), (18, 11396310), (20, 10256679), (27, 7597540), (30, 6837786), (36, 5698155), (45, 4558524), (54, 3798770), (60, 3418893), (90, 2279262), (108, 1899385), (135, 1519508), (180, 1139631), (270, 759754), (540, 379877)]