81008340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{192877}}^1$

素因数の和:192896

約数の個数: 48

約数和(自身を含む): 259228032

約数和(自身を除く): 178219692

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, 192877, 385754, 578631, 771508, 964385, 1157262, 1350139, 1928770, 2314524, 2700278, 2893155, 3857540, 4050417, 5400556, 5786310, 6750695, 8100834, 11572620, 13501390, 16201668, 20252085, 27002780, 40504170, 81008340]

約数ペア:

[(1, 81008340), (2, 40504170), (3, 27002780), (4, 20252085), (5, 16201668), (6, 13501390), (7, 11572620), (10, 8100834), (12, 6750695), (14, 5786310), (15, 5400556), (20, 4050417), (21, 3857540), (28, 2893155), (30, 2700278), (35, 2314524), (42, 1928770), (60, 1350139), (70, 1157262), (84, 964385), (105, 771508), (140, 578631), (210, 385754), (420, 192877)]