140486220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{111497}}^1$

素因数の和:111519

約数の個数: 72

約数和(自身を含む): 487023264

約数和(自身を除く): 346537044

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 111497, 222994, 334491, 445988, 557485, 668982, 780479, 1003473, 1114970, 1337964, 1560958, 1672455, 2006946, 2229940, 2341437, 3121916, 3344910, 3902395, 4013892, 4682874, 5017365, 6689820, 7024311, 7804790, 9365748, 10034730, 11707185, 14048622, 15609580, 20069460, 23414370, 28097244, 35121555, 46828740, 70243110, 140486220]

約数ペア:

[(1, 140486220), (2, 70243110), (3, 46828740), (4, 35121555), (5, 28097244), (6, 23414370), (7, 20069460), (9, 15609580), (10, 14048622), (12, 11707185), (14, 10034730), (15, 9365748), (18, 7804790), (20, 7024311), (21, 6689820), (28, 5017365), (30, 4682874), (35, 4013892), (36, 3902395), (42, 3344910), (45, 3121916), (60, 2341437), (63, 2229940), (70, 2006946), (84, 1672455), (90, 1560958), (105, 1337964), (126, 1114970), (140, 1003473), (180, 780479), (210, 668982), (252, 557485), (315, 445988), (420, 334491), (630, 222994), (1260, 111497)]