1080240

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{643}}^1$

素因数の和:666

約数の個数: 80

約数和(自身を含む): 3833088

約数和(自身を除く): 2752848

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, 643, 840, 1286, 1680, 1929, 2572, 3215, 3858, 4501, 5144, 6430, 7716, 9002, 9645, 10288, 12860, 13503, 15432, 18004, 19290, 22505, 25720, 27006, 30864, 36008, 38580, 45010, 51440, 54012, 67515, 72016, 77160, 90020, 108024, 135030, 154320, 180040, 216048, 270060, 360080, 540120, 1080240]

約数ペア:

[(1, 1080240), (2, 540120), (3, 360080), (4, 270060), (5, 216048), (6, 180040), (7, 154320), (8, 135030), (10, 108024), (12, 90020), (14, 77160), (15, 72016), (16, 67515), (20, 54012), (21, 51440), (24, 45010), (28, 38580), (30, 36008), (35, 30864), (40, 27006), (42, 25720), (48, 22505), (56, 19290), (60, 18004), (70, 15432), (80, 13503), (84, 12860), (105, 10288), (112, 9645), (120, 9002), (140, 7716), (168, 6430), (210, 5144), (240, 4501), (280, 3858), (336, 3215), (420, 2572), (560, 1929), (643, 1680), (840, 1286)]