26408340

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{20959}}^1$

素因数の和:20981

約数の個数: 72

約数和(自身を含む): 91553280

約数和(自身を除く): 65144940

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, 1260, 20959, 41918, 62877, 83836, 104795, 125754, 146713, 188631, 209590, 251508, 293426, 314385, 377262, 419180, 440139, 586852, 628770, 733565, 754524, 880278, 943155, 1257540, 1320417, 1467130, 1760556, 1886310, 2200695, 2640834, 2934260, 3772620, 4401390, 5281668, 6602085, 8802780, 13204170, 26408340]

約数ペア:

[(1, 26408340), (2, 13204170), (3, 8802780), (4, 6602085), (5, 5281668), (6, 4401390), (7, 3772620), (9, 2934260), (10, 2640834), (12, 2200695), (14, 1886310), (15, 1760556), (18, 1467130), (20, 1320417), (21, 1257540), (28, 943155), (30, 880278), (35, 754524), (36, 733565), (42, 628770), (45, 586852), (60, 440139), (63, 419180), (70, 377262), (84, 314385), (90, 293426), (105, 251508), (126, 209590), (140, 188631), (180, 146713), (210, 125754), (252, 104795), (315, 83836), (420, 62877), (630, 41918), (1260, 20959)]