81282120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{6983}}^1$

素因数の和:7094

約数の個数: 64

約数和(自身を含む): 246395520

約数和(自身を除く): 165113400

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, 6983, 11640, 13966, 20949, 27932, 34915, 41898, 55864, 69830, 83796, 104745, 139660, 167592, 209490, 279320, 418980, 677351, 837960, 1354702, 2032053, 2709404, 3386755, 4064106, 5418808, 6773510, 8128212, 10160265, 13547020, 16256424, 20320530, 27094040, 40641060, 81282120]

約数ペア:

[(1, 81282120), (2, 40641060), (3, 27094040), (4, 20320530), (5, 16256424), (6, 13547020), (8, 10160265), (10, 8128212), (12, 6773510), (15, 5418808), (20, 4064106), (24, 3386755), (30, 2709404), (40, 2032053), (60, 1354702), (97, 837960), (120, 677351), (194, 418980), (291, 279320), (388, 209490), (485, 167592), (582, 139660), (776, 104745), (970, 83796), (1164, 69830), (1455, 55864), (1940, 41898), (2328, 34915), (2910, 27932), (3880, 20949), (5820, 13966), (6983, 11640)]