205822620

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{127051}}^1$

素因数の和:127072

約数の個数: 60

約数和(自身を含む): 645678264

約数和(自身を除く): 439855644

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 127051, 254102, 381153, 508204, 635255, 762306, 1143459, 1270510, 1524612, 1905765, 2286918, 2541020, 3430377, 3811530, 4573836, 5717295, 6860754, 7623060, 10291131, 11434590, 13721508, 17151885, 20582262, 22869180, 34303770, 41164524, 51455655, 68607540, 102911310, 205822620]

約数ペア:

[(1, 205822620), (2, 102911310), (3, 68607540), (4, 51455655), (5, 41164524), (6, 34303770), (9, 22869180), (10, 20582262), (12, 17151885), (15, 13721508), (18, 11434590), (20, 10291131), (27, 7623060), (30, 6860754), (36, 5717295), (45, 4573836), (54, 3811530), (60, 3430377), (81, 2541020), (90, 2286918), (108, 1905765), (135, 1524612), (162, 1270510), (180, 1143459), (270, 762306), (324, 635255), (405, 508204), (540, 381153), (810, 254102), (1620, 127051)]