15321080

素因数分解:

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

素因数の和:22559

約数の個数: 32

約数和(自身を含む): 36501840

約数和(自身を除く): 21180760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 22531, 45062, 90124, 112655, 180248, 225310, 383027, 450620, 766054, 901240, 1532108, 1915135, 3064216, 3830270, 7660540, 15321080]

約数ペア:

[(1, 15321080), (2, 7660540), (4, 3830270), (5, 3064216), (8, 1915135), (10, 1532108), (17, 901240), (20, 766054), (34, 450620), (40, 383027), (68, 225310), (85, 180248), (136, 112655), (170, 90124), (340, 45062), (680, 22531)]