787416930

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{20981}}^1$

素因数の和:21136

約数の個数: 64

約数和(自身を含む): 2114985600

約数和(自身を除く): 1327568670

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 139, 270, 278, 417, 695, 834, 1251, 1390, 2085, 2502, 3753, 4170, 6255, 7506, 12510, 18765, 20981, 37530, 41962, 62943, 104905, 125886, 188829, 209810, 314715, 377658, 566487, 629430, 944145, 1132974, 1888290, 2832435, 2916359, 5664870, 5832718, 8749077, 14581795, 17498154, 26247231, 29163590, 43745385, 52494462, 78741693, 87490770, 131236155, 157483386, 262472310, 393708465, 787416930]

約数ペア:

[(1, 787416930), (2, 393708465), (3, 262472310), (5, 157483386), (6, 131236155), (9, 87490770), (10, 78741693), (15, 52494462), (18, 43745385), (27, 29163590), (30, 26247231), (45, 17498154), (54, 14581795), (90, 8749077), (135, 5832718), (139, 5664870), (270, 2916359), (278, 2832435), (417, 1888290), (695, 1132974), (834, 944145), (1251, 629430), (1390, 566487), (2085, 377658), (2502, 314715), (3753, 209810), (4170, 188829), (6255, 125886), (7506, 104905), (12510, 62943), (18765, 41962), (20981, 37530)]