28651860

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{547}}^1$

素因数の和:662

約数の個数: 96

約数和(自身を含む): 90222720

約数和(自身を除く): 61570860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 97, 108, 135, 180, 194, 270, 291, 388, 485, 540, 547, 582, 873, 970, 1094, 1164, 1455, 1641, 1746, 1940, 2188, 2619, 2735, 2910, 3282, 3492, 4365, 4923, 5238, 5470, 5820, 6564, 8205, 8730, 9846, 10476, 10940, 13095, 14769, 16410, 17460, 19692, 24615, 26190, 29538, 32820, 49230, 52380, 53059, 59076, 73845, 98460, 106118, 147690, 159177, 212236, 265295, 295380, 318354, 477531, 530590, 636708, 795885, 955062, 1061180, 1432593, 1591770, 1910124, 2387655, 2865186, 3183540, 4775310, 5730372, 7162965, 9550620, 14325930, 28651860]

約数ペア:

[(1, 28651860), (2, 14325930), (3, 9550620), (4, 7162965), (5, 5730372), (6, 4775310), (9, 3183540), (10, 2865186), (12, 2387655), (15, 1910124), (18, 1591770), (20, 1432593), (27, 1061180), (30, 955062), (36, 795885), (45, 636708), (54, 530590), (60, 477531), (90, 318354), (97, 295380), (108, 265295), (135, 212236), (180, 159177), (194, 147690), (270, 106118), (291, 98460), (388, 73845), (485, 59076), (540, 53059), (547, 52380), (582, 49230), (873, 32820), (970, 29538), (1094, 26190), (1164, 24615), (1455, 19692), (1641, 17460), (1746, 16410), (1940, 14769), (2188, 13095), (2619, 10940), (2735, 10476), (2910, 9846), (3282, 8730), (3492, 8205), (4365, 6564), (4923, 5820), (5238, 5470)]