81480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{97}}^1$

素因数の和:118

約数の個数: 64

約数和(自身を含む): 282240

約数和(自身を除く): 200760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 97, 105, 120, 140, 168, 194, 210, 280, 291, 388, 420, 485, 582, 679, 776, 840, 970, 1164, 1358, 1455, 1940, 2037, 2328, 2716, 2910, 3395, 3880, 4074, 5432, 5820, 6790, 8148, 10185, 11640, 13580, 16296, 20370, 27160, 40740, 81480]

約数ペア:

[(1, 81480), (2, 40740), (3, 27160), (4, 20370), (5, 16296), (6, 13580), (7, 11640), (8, 10185), (10, 8148), (12, 6790), (14, 5820), (15, 5432), (20, 4074), (21, 3880), (24, 3395), (28, 2910), (30, 2716), (35, 2328), (40, 2037), (42, 1940), (56, 1455), (60, 1358), (70, 1164), (84, 970), (97, 840), (105, 776), (120, 679), (140, 582), (168, 485), (194, 420), (210, 388), (280, 291)]