280566

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1$

素因数の和:141

約数の個数: 48

約数和(自身を含む): 720720

約数和(自身を除く): 440154

約数列:

[1, 2, 3, 6, 9, 11, 13, 18, 22, 26, 33, 39, 66, 78, 99, 109, 117, 143, 198, 218, 234, 286, 327, 429, 654, 858, 981, 1199, 1287, 1417, 1962, 2398, 2574, 2834, 3597, 4251, 7194, 8502, 10791, 12753, 15587, 21582, 25506, 31174, 46761, 93522, 140283, 280566]

約数ペア:

[(1, 280566), (2, 140283), (3, 93522), (6, 46761), (9, 31174), (11, 25506), (13, 21582), (18, 15587), (22, 12753), (26, 10791), (33, 8502), (39, 7194), (66, 4251), (78, 3597), (99, 2834), (109, 2574), (117, 2398), (143, 1962), (198, 1417), (218, 1287), (234, 1199), (286, 981), (327, 858), (429, 654)]