168531880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{22531}}^1$

素因数の和:22570

約数の個数: 64

約数和(自身を含む): 438022080

約数和(自身を除く): 269490200

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 136, 170, 187, 220, 340, 374, 440, 680, 748, 935, 1496, 1870, 3740, 7480, 22531, 45062, 90124, 112655, 180248, 225310, 247841, 383027, 450620, 495682, 766054, 901240, 991364, 1239205, 1532108, 1915135, 1982728, 2478410, 3064216, 3830270, 4213297, 4956820, 7660540, 8426594, 9913640, 15321080, 16853188, 21066485, 33706376, 42132970, 84265940, 168531880]

約数ペア:

[(1, 168531880), (2, 84265940), (4, 42132970), (5, 33706376), (8, 21066485), (10, 16853188), (11, 15321080), (17, 9913640), (20, 8426594), (22, 7660540), (34, 4956820), (40, 4213297), (44, 3830270), (55, 3064216), (68, 2478410), (85, 1982728), (88, 1915135), (110, 1532108), (136, 1239205), (170, 991364), (187, 901240), (220, 766054), (340, 495682), (374, 450620), (440, 383027), (680, 247841), (748, 225310), (935, 180248), (1496, 112655), (1870, 90124), (3740, 45062), (7480, 22531)]