2578620

素因数分解:

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

素因数の和:3930

約数の個数: 48

約数和(自身を含む): 7878528

約数和(自身を除く): 5299908

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 3907, 7814, 11721, 15628, 19535, 23442, 39070, 42977, 46884, 58605, 78140, 85954, 117210, 128931, 171908, 214885, 234420, 257862, 429770, 515724, 644655, 859540, 1289310, 2578620]

約数ペア:

[(1, 2578620), (2, 1289310), (3, 859540), (4, 644655), (5, 515724), (6, 429770), (10, 257862), (11, 234420), (12, 214885), (15, 171908), (20, 128931), (22, 117210), (30, 85954), (33, 78140), (44, 58605), (55, 46884), (60, 42977), (66, 39070), (110, 23442), (132, 19535), (165, 15628), (220, 11721), (330, 7814), (660, 3907)]