144798780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{344759}}^1$

素因数の和:344778

約数の個数: 48

約数和(自身を含む): 463357440

約数和(自身を除く): 318558660

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 344759, 689518, 1034277, 1379036, 1723795, 2068554, 2413313, 3447590, 4137108, 4826626, 5171385, 6895180, 7239939, 9653252, 10342770, 12066565, 14479878, 20685540, 24133130, 28959756, 36199695, 48266260, 72399390, 144798780]

約数ペア:

[(1, 144798780), (2, 72399390), (3, 48266260), (4, 36199695), (5, 28959756), (6, 24133130), (7, 20685540), (10, 14479878), (12, 12066565), (14, 10342770), (15, 9653252), (20, 7239939), (21, 6895180), (28, 5171385), (30, 4826626), (35, 4137108), (42, 3447590), (60, 2413313), (70, 2068554), (84, 1723795), (105, 1379036), (140, 1034277), (210, 689518), (420, 344759)]