72240560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{129001}}^1$

素因数の和:129021

約数の個数: 40

約数和(自身を含む): 191954976

約数和(自身を除く): 119714416

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 129001, 258002, 516004, 645005, 903007, 1032008, 1290010, 1806014, 2064016, 2580020, 3612028, 4515035, 5160040, 7224056, 9030070, 10320080, 14448112, 18060140, 36120280, 72240560]

約数ペア:

[(1, 72240560), (2, 36120280), (4, 18060140), (5, 14448112), (7, 10320080), (8, 9030070), (10, 7224056), (14, 5160040), (16, 4515035), (20, 3612028), (28, 2580020), (35, 2064016), (40, 1806014), (56, 1290010), (70, 1032008), (80, 903007), (112, 645005), (140, 516004), (280, 258002), (560, 129001)]