28456380

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{52697}}^1$

素因数の和:52715

約数の個数: 48

約数和(自身を含む): 88532640

約数和(自身を除く): 60076260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 52697, 105394, 158091, 210788, 263485, 316182, 474273, 526970, 632364, 790455, 948546, 1053940, 1422819, 1580910, 1897092, 2371365, 2845638, 3161820, 4742730, 5691276, 7114095, 9485460, 14228190, 28456380]

約数ペア:

[(1, 28456380), (2, 14228190), (3, 9485460), (4, 7114095), (5, 5691276), (6, 4742730), (9, 3161820), (10, 2845638), (12, 2371365), (15, 1897092), (18, 1580910), (20, 1422819), (27, 1053940), (30, 948546), (36, 790455), (45, 632364), (54, 526970), (60, 474273), (90, 316182), (108, 263485), (135, 210788), (180, 158091), (270, 105394), (540, 52697)]