218821120

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{12211}}^1$

素因数の和:12241

約数の個数: 80

約数和(自身を含む): 599658048

約数和(自身を除く): 380836928

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 512, 560, 640, 896, 1120, 1280, 1792, 2240, 2560, 3584, 4480, 8960, 12211, 17920, 24422, 48844, 61055, 85477, 97688, 122110, 170954, 195376, 244220, 341908, 390752, 427385, 488440, 683816, 781504, 854770, 976880, 1367632, 1563008, 1709540, 1953760, 2735264, 3126016, 3419080, 3907520, 5470528, 6252032, 6838160, 7815040, 10941056, 13676320, 15630080, 21882112, 27352640, 31260160, 43764224, 54705280, 109410560, 218821120]

約数ペア:

[(1, 218821120), (2, 109410560), (4, 54705280), (5, 43764224), (7, 31260160), (8, 27352640), (10, 21882112), (14, 15630080), (16, 13676320), (20, 10941056), (28, 7815040), (32, 6838160), (35, 6252032), (40, 5470528), (56, 3907520), (64, 3419080), (70, 3126016), (80, 2735264), (112, 1953760), (128, 1709540), (140, 1563008), (160, 1367632), (224, 976880), (256, 854770), (280, 781504), (320, 683816), (448, 488440), (512, 427385), (560, 390752), (640, 341908), (896, 244220), (1120, 195376), (1280, 170954), (1792, 122110), (2240, 97688), (2560, 85477), (3584, 61055), (4480, 48844), (8960, 24422), (12211, 17920)]