720160

素因数分解:

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

素因数の和:665

約数の個数: 48

約数和(自身を含む): 1947456

約数和(自身を除く): 1227296

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 643, 1120, 1286, 2572, 3215, 4501, 5144, 6430, 9002, 10288, 12860, 18004, 20576, 22505, 25720, 36008, 45010, 51440, 72016, 90020, 102880, 144032, 180040, 360080, 720160]

約数ペア:

[(1, 720160), (2, 360080), (4, 180040), (5, 144032), (7, 102880), (8, 90020), (10, 72016), (14, 51440), (16, 45010), (20, 36008), (28, 25720), (32, 22505), (35, 20576), (40, 18004), (56, 12860), (70, 10288), (80, 9002), (112, 6430), (140, 5144), (160, 4501), (224, 3215), (280, 2572), (560, 1286), (643, 1120)]