25513380

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{15749}}^1$

素因数の和:15770

約数の個数: 60

約数和(自身を含む): 80041500

約数和(自身を除く): 54528120

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 15749, 31498, 47247, 62996, 78745, 94494, 141741, 157490, 188988, 236235, 283482, 314980, 425223, 472470, 566964, 708705, 850446, 944940, 1275669, 1417410, 1700892, 2126115, 2551338, 2834820, 4252230, 5102676, 6378345, 8504460, 12756690, 25513380]

約数ペア:

[(1, 25513380), (2, 12756690), (3, 8504460), (4, 6378345), (5, 5102676), (6, 4252230), (9, 2834820), (10, 2551338), (12, 2126115), (15, 1700892), (18, 1417410), (20, 1275669), (27, 944940), (30, 850446), (36, 708705), (45, 566964), (54, 472470), (60, 425223), (81, 314980), (90, 283482), (108, 236235), (135, 188988), (162, 157490), (180, 141741), (270, 94494), (324, 78745), (405, 62996), (540, 47247), (810, 31498), (1620, 15749)]