26460

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2$

素因数の和:32

約数の個数: 72

約数和(自身を含む): 95760

約数和(自身を除く): 69300

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 84, 90, 98, 105, 108, 126, 135, 140, 147, 180, 189, 196, 210, 245, 252, 270, 294, 315, 378, 420, 441, 490, 540, 588, 630, 735, 756, 882, 945, 980, 1260, 1323, 1470, 1764, 1890, 2205, 2646, 2940, 3780, 4410, 5292, 6615, 8820, 13230, 26460]

約数ペア:

[(1, 26460), (2, 13230), (3, 8820), (4, 6615), (5, 5292), (6, 4410), (7, 3780), (9, 2940), (10, 2646), (12, 2205), (14, 1890), (15, 1764), (18, 1470), (20, 1323), (21, 1260), (27, 980), (28, 945), (30, 882), (35, 756), (36, 735), (42, 630), (45, 588), (49, 540), (54, 490), (60, 441), (63, 420), (70, 378), (84, 315), (90, 294), (98, 270), (105, 252), (108, 245), (126, 210), (135, 196), (140, 189), (147, 180)]