18156180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{311}}^1$

素因数の和:469

約数の個数: 96

約数和(自身を含む): 58705920

約数和(自身を除く): 40549740

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 139, 140, 210, 278, 311, 417, 420, 556, 622, 695, 834, 933, 973, 1244, 1390, 1555, 1668, 1866, 1946, 2085, 2177, 2780, 2919, 3110, 3732, 3892, 4170, 4354, 4665, 4865, 5838, 6220, 6531, 8340, 8708, 9330, 9730, 10885, 11676, 13062, 14595, 18660, 19460, 21770, 26124, 29190, 32655, 43229, 43540, 58380, 65310, 86458, 129687, 130620, 172916, 216145, 259374, 302603, 432290, 518748, 605206, 648435, 864580, 907809, 1210412, 1296870, 1513015, 1815618, 2593740, 3026030, 3631236, 4539045, 6052060, 9078090, 18156180]

約数ペア:

[(1, 18156180), (2, 9078090), (3, 6052060), (4, 4539045), (5, 3631236), (6, 3026030), (7, 2593740), (10, 1815618), (12, 1513015), (14, 1296870), (15, 1210412), (20, 907809), (21, 864580), (28, 648435), (30, 605206), (35, 518748), (42, 432290), (60, 302603), (70, 259374), (84, 216145), (105, 172916), (139, 130620), (140, 129687), (210, 86458), (278, 65310), (311, 58380), (417, 43540), (420, 43229), (556, 32655), (622, 29190), (695, 26124), (834, 21770), (933, 19460), (973, 18660), (1244, 14595), (1390, 13062), (1555, 11676), (1668, 10885), (1866, 9730), (1946, 9330), (2085, 8708), (2177, 8340), (2780, 6531), (2919, 6220), (3110, 5838), (3732, 4865), (3892, 4665), (4170, 4354)]