1443540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{491}}^1$

素因数の和:517

約数の個数: 72

約数和(自身を含む): 4711392

約数和(自身を除く): 3267852

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 491, 588, 735, 980, 982, 1470, 1473, 1964, 2455, 2940, 2946, 3437, 4910, 5892, 6874, 7365, 9820, 10311, 13748, 14730, 17185, 20622, 24059, 29460, 34370, 41244, 48118, 51555, 68740, 72177, 96236, 103110, 120295, 144354, 206220, 240590, 288708, 360885, 481180, 721770, 1443540]

約数ペア:

[(1, 1443540), (2, 721770), (3, 481180), (4, 360885), (5, 288708), (6, 240590), (7, 206220), (10, 144354), (12, 120295), (14, 103110), (15, 96236), (20, 72177), (21, 68740), (28, 51555), (30, 48118), (35, 41244), (42, 34370), (49, 29460), (60, 24059), (70, 20622), (84, 17185), (98, 14730), (105, 13748), (140, 10311), (147, 9820), (196, 7365), (210, 6874), (245, 5892), (294, 4910), (420, 3437), (490, 2946), (491, 2940), (588, 2455), (735, 1964), (980, 1473), (982, 1470)]