15391440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{21377}}^1$

素因数の和:21396

約数の個数: 60

約数和(自身を含む): 51692004

約数和(自身を除く): 36300564

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 21377, 42754, 64131, 85508, 106885, 128262, 171016, 192393, 213770, 256524, 320655, 342032, 384786, 427540, 513048, 641310, 769572, 855080, 961965, 1026096, 1282620, 1539144, 1710160, 1923930, 2565240, 3078288, 3847860, 5130480, 7695720, 15391440]

約数ペア:

[(1, 15391440), (2, 7695720), (3, 5130480), (4, 3847860), (5, 3078288), (6, 2565240), (8, 1923930), (9, 1710160), (10, 1539144), (12, 1282620), (15, 1026096), (16, 961965), (18, 855080), (20, 769572), (24, 641310), (30, 513048), (36, 427540), (40, 384786), (45, 342032), (48, 320655), (60, 256524), (72, 213770), (80, 192393), (90, 171016), (120, 128262), (144, 106885), (180, 85508), (240, 64131), (360, 42754), (720, 21377)]