2138220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{1697}}^1$

素因数の和:1719

約数の個数: 72

約数和(自身を含む): 7416864

約数和(自身を除く): 5278644

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, 1697, 3394, 5091, 6788, 8485, 10182, 11879, 15273, 16970, 20364, 23758, 25455, 30546, 33940, 35637, 47516, 50910, 59395, 61092, 71274, 76365, 101820, 106911, 118790, 142548, 152730, 178185, 213822, 237580, 305460, 356370, 427644, 534555, 712740, 1069110, 2138220]

約数ペア:

[(1, 2138220), (2, 1069110), (3, 712740), (4, 534555), (5, 427644), (6, 356370), (7, 305460), (9, 237580), (10, 213822), (12, 178185), (14, 152730), (15, 142548), (18, 118790), (20, 106911), (21, 101820), (28, 76365), (30, 71274), (35, 61092), (36, 59395), (42, 50910), (45, 47516), (60, 35637), (63, 33940), (70, 30546), (84, 25455), (90, 23758), (105, 20364), (126, 16970), (140, 15273), (180, 11879), (210, 10182), (252, 8485), (315, 6788), (420, 5091), (630, 3394), (1260, 1697)]