81002760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{6959}}^1$

素因数の和:7070

約数の個数: 64

約数和(自身を含む): 245548800

約数和(自身を除く): 164546040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 97, 120, 194, 291, 388, 485, 582, 776, 970, 1164, 1455, 1940, 2328, 2910, 3880, 5820, 6959, 11640, 13918, 20877, 27836, 34795, 41754, 55672, 69590, 83508, 104385, 139180, 167016, 208770, 278360, 417540, 675023, 835080, 1350046, 2025069, 2700092, 3375115, 4050138, 5400184, 6750230, 8100276, 10125345, 13500460, 16200552, 20250690, 27000920, 40501380, 81002760]

約数ペア:

[(1, 81002760), (2, 40501380), (3, 27000920), (4, 20250690), (5, 16200552), (6, 13500460), (8, 10125345), (10, 8100276), (12, 6750230), (15, 5400184), (20, 4050138), (24, 3375115), (30, 2700092), (40, 2025069), (60, 1350046), (97, 835080), (120, 675023), (194, 417540), (291, 278360), (388, 208770), (485, 167016), (582, 139180), (776, 104385), (970, 83508), (1164, 69590), (1455, 55672), (1940, 41754), (2328, 34795), (2910, 27836), (3880, 20877), (5820, 13918), (6959, 11640)]