51165180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{25841}}^1$

素因数の和:25867

約数の個数: 72

約数和(自身を含む): 169316784

約数和(自身を除く): 118151604

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, 25841, 51682, 77523, 103364, 129205, 155046, 232569, 258410, 284251, 310092, 387615, 465138, 516820, 568502, 775230, 852753, 930276, 1137004, 1162845, 1421255, 1550460, 1705506, 2325690, 2558259, 2842510, 3411012, 4263765, 4651380, 5116518, 5685020, 8527530, 10233036, 12791295, 17055060, 25582590, 51165180]

約数ペア:

[(1, 51165180), (2, 25582590), (3, 17055060), (4, 12791295), (5, 10233036), (6, 8527530), (9, 5685020), (10, 5116518), (11, 4651380), (12, 4263765), (15, 3411012), (18, 2842510), (20, 2558259), (22, 2325690), (30, 1705506), (33, 1550460), (36, 1421255), (44, 1162845), (45, 1137004), (55, 930276), (60, 852753), (66, 775230), (90, 568502), (99, 516820), (110, 465138), (132, 387615), (165, 310092), (180, 284251), (198, 258410), (220, 232569), (330, 155046), (396, 129205), (495, 103364), (660, 77523), (990, 51682), (1980, 25841)]