1666563780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{3968009}}^1$

素因数の和:3968028

約数の個数: 48

約数和(自身を含む): 5333005440

約数和(自身を除く): 3666441660

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 3968009, 7936018, 11904027, 15872036, 19840045, 23808054, 27776063, 39680090, 47616108, 55552126, 59520135, 79360180, 83328189, 111104252, 119040270, 138880315, 166656378, 238080540, 277760630, 333312756, 416640945, 555521260, 833281890, 1666563780]

約数ペア:

[(1, 1666563780), (2, 833281890), (3, 555521260), (4, 416640945), (5, 333312756), (6, 277760630), (7, 238080540), (10, 166656378), (12, 138880315), (14, 119040270), (15, 111104252), (20, 83328189), (21, 79360180), (28, 59520135), (30, 55552126), (35, 47616108), (42, 39680090), (60, 27776063), (70, 23808054), (84, 19840045), (105, 15872036), (140, 11904027), (210, 7936018), (420, 3968009)]