1389780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{1103}}^1$

素因数の和:1125

約数の個数: 72

約数和(自身を含む): 4822272

約数和(自身を除く): 3432492

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1103, 1260, 2206, 3309, 4412, 5515, 6618, 7721, 9927, 11030, 13236, 15442, 16545, 19854, 22060, 23163, 30884, 33090, 38605, 39708, 46326, 49635, 66180, 69489, 77210, 92652, 99270, 115815, 138978, 154420, 198540, 231630, 277956, 347445, 463260, 694890, 1389780]

約数ペア:

[(1, 1389780), (2, 694890), (3, 463260), (4, 347445), (5, 277956), (6, 231630), (7, 198540), (9, 154420), (10, 138978), (12, 115815), (14, 99270), (15, 92652), (18, 77210), (20, 69489), (21, 66180), (28, 49635), (30, 46326), (35, 39708), (36, 38605), (42, 33090), (45, 30884), (60, 23163), (63, 22060), (70, 19854), (84, 16545), (90, 15442), (105, 13236), (126, 11030), (140, 9927), (180, 7721), (210, 6618), (252, 5515), (315, 4412), (420, 3309), (630, 2206), (1103, 1260)]