280728

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{557}}^1$

素因数の和:576

約数の個数: 48

約数和(自身を含む): 870480

約数和(自身を除く): 589752

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 557, 1114, 1671, 2228, 3342, 3899, 4456, 5013, 6684, 7798, 10026, 11697, 13368, 15596, 20052, 23394, 31192, 35091, 40104, 46788, 70182, 93576, 140364, 280728]

約数ペア:

[(1, 280728), (2, 140364), (3, 93576), (4, 70182), (6, 46788), (7, 40104), (8, 35091), (9, 31192), (12, 23394), (14, 20052), (18, 15596), (21, 13368), (24, 11697), (28, 10026), (36, 7798), (42, 6684), (56, 5013), (63, 4456), (72, 3899), (84, 3342), (126, 2228), (168, 1671), (252, 1114), (504, 557)]