28364820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{3907}}^1$

素因数の和:3941

約数の個数: 72

約数和(自身を含む): 87320352

約数和(自身を除く): 58955532

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 121, 132, 165, 220, 242, 330, 363, 484, 605, 660, 726, 1210, 1452, 1815, 2420, 3630, 3907, 7260, 7814, 11721, 15628, 19535, 23442, 39070, 42977, 46884, 58605, 78140, 85954, 117210, 128931, 171908, 214885, 234420, 257862, 429770, 472747, 515724, 644655, 859540, 945494, 1289310, 1418241, 1890988, 2363735, 2578620, 2836482, 4727470, 5672964, 7091205, 9454940, 14182410, 28364820]

約数ペア:

[(1, 28364820), (2, 14182410), (3, 9454940), (4, 7091205), (5, 5672964), (6, 4727470), (10, 2836482), (11, 2578620), (12, 2363735), (15, 1890988), (20, 1418241), (22, 1289310), (30, 945494), (33, 859540), (44, 644655), (55, 515724), (60, 472747), (66, 429770), (110, 257862), (121, 234420), (132, 214885), (165, 171908), (220, 128931), (242, 117210), (330, 85954), (363, 78140), (484, 58605), (605, 46884), (660, 42977), (726, 39070), (1210, 23442), (1452, 19535), (1815, 15628), (2420, 11721), (3630, 7814), (3907, 7260)]