261966420

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{485123}}^1$

素因数の和:485141

約数の個数: 48

約数和(自身を含む): 815008320

約数和(自身を除く): 553041900

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, 485123, 970246, 1455369, 1940492, 2425615, 2910738, 4366107, 4851230, 5821476, 7276845, 8732214, 9702460, 13098321, 14553690, 17464428, 21830535, 26196642, 29107380, 43661070, 52393284, 65491605, 87322140, 130983210, 261966420]

約数ペア:

[(1, 261966420), (2, 130983210), (3, 87322140), (4, 65491605), (5, 52393284), (6, 43661070), (9, 29107380), (10, 26196642), (12, 21830535), (15, 17464428), (18, 14553690), (20, 13098321), (27, 9702460), (30, 8732214), (36, 7276845), (45, 5821476), (54, 4851230), (60, 4366107), (90, 2910738), (108, 2425615), (135, 1940492), (180, 1455369), (270, 970246), (540, 485123)]