390195120

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{232259}}^1$

素因数の和:232282

約数の個数: 80

約数和(自身を含む): 1382411520

約数和(自身を除く): 992216400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 232259, 464518, 696777, 929036, 1161295, 1393554, 1625813, 1858072, 2322590, 2787108, 3251626, 3483885, 3716144, 4645180, 4877439, 5574216, 6503252, 6967770, 8129065, 9290360, 9754878, 11148432, 13006504, 13935540, 16258130, 18580720, 19509756, 24387195, 26013008, 27871080, 32516260, 39019512, 48774390, 55742160, 65032520, 78039024, 97548780, 130065040, 195097560, 390195120]

約数ペア:

[(1, 390195120), (2, 195097560), (3, 130065040), (4, 97548780), (5, 78039024), (6, 65032520), (7, 55742160), (8, 48774390), (10, 39019512), (12, 32516260), (14, 27871080), (15, 26013008), (16, 24387195), (20, 19509756), (21, 18580720), (24, 16258130), (28, 13935540), (30, 13006504), (35, 11148432), (40, 9754878), (42, 9290360), (48, 8129065), (56, 6967770), (60, 6503252), (70, 5574216), (80, 4877439), (84, 4645180), (105, 3716144), (112, 3483885), (120, 3251626), (140, 2787108), (168, 2322590), (210, 1858072), (240, 1625813), (280, 1393554), (336, 1161295), (420, 929036), (560, 696777), (840, 464518), (1680, 232259)]