261970740

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{485131}}^1$

素因数の和:485149

約数の個数: 48

約数和(自身を含む): 815021760

約数和(自身を除く): 553051020

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, 485131, 970262, 1455393, 1940524, 2425655, 2910786, 4366179, 4851310, 5821572, 7276965, 8732358, 9702620, 13098537, 14553930, 17464716, 21830895, 26197074, 29107860, 43661790, 52394148, 65492685, 87323580, 130985370, 261970740]

約数ペア:

[(1, 261970740), (2, 130985370), (3, 87323580), (4, 65492685), (5, 52394148), (6, 43661790), (9, 29107860), (10, 26197074), (12, 21830895), (15, 17464716), (18, 14553930), (20, 13098537), (27, 9702620), (30, 8732358), (36, 7276965), (45, 5821572), (54, 4851310), (60, 4366179), (90, 2910786), (108, 2425655), (135, 1940524), (180, 1455393), (270, 970262), (540, 485131)]