1327480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{431}}^1$

素因数の和:460

約数の個数: 64

約数和(自身を含む): 3732480

約数和(自身を除く): 2405000

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 431, 440, 616, 770, 862, 1540, 1724, 2155, 3017, 3080, 3448, 4310, 4741, 6034, 8620, 9482, 12068, 15085, 17240, 18964, 23705, 24136, 30170, 33187, 37928, 47410, 60340, 66374, 94820, 120680, 132748, 165935, 189640, 265496, 331870, 663740, 1327480]

約数ペア:

[(1, 1327480), (2, 663740), (4, 331870), (5, 265496), (7, 189640), (8, 165935), (10, 132748), (11, 120680), (14, 94820), (20, 66374), (22, 60340), (28, 47410), (35, 37928), (40, 33187), (44, 30170), (55, 24136), (56, 23705), (70, 18964), (77, 17240), (88, 15085), (110, 12068), (140, 9482), (154, 8620), (220, 6034), (280, 4741), (308, 4310), (385, 3448), (431, 3080), (440, 3017), (616, 2155), (770, 1724), (862, 1540)]