208872180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{105491}}^1$

素因数の和:105517

約数の個数: 72

約数和(自身を含む): 691183584

約数和(自身を除く): 482311404

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 105491, 210982, 316473, 421964, 527455, 632946, 949419, 1054910, 1160401, 1265892, 1582365, 1898838, 2109820, 2320802, 3164730, 3481203, 3797676, 4641604, 4747095, 5802005, 6329460, 6962406, 9494190, 10443609, 11604010, 13924812, 17406015, 18988380, 20887218, 23208020, 34812030, 41774436, 52218045, 69624060, 104436090, 208872180]

約数ペア:

[(1, 208872180), (2, 104436090), (3, 69624060), (4, 52218045), (5, 41774436), (6, 34812030), (9, 23208020), (10, 20887218), (11, 18988380), (12, 17406015), (15, 13924812), (18, 11604010), (20, 10443609), (22, 9494190), (30, 6962406), (33, 6329460), (36, 5802005), (44, 4747095), (45, 4641604), (55, 3797676), (60, 3481203), (66, 3164730), (90, 2320802), (99, 2109820), (110, 1898838), (132, 1582365), (165, 1265892), (180, 1160401), (198, 1054910), (220, 949419), (330, 632946), (396, 527455), (495, 421964), (660, 316473), (990, 210982), (1980, 105491)]