78403620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{30389}}^1$

素因数の和:30444

約数の個数: 48

約数和(自身を含む): 224642880

約数和(自身を除く): 146239260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 30389, 60778, 91167, 121556, 151945, 182334, 303890, 364668, 455835, 607780, 911670, 1306727, 1823340, 2613454, 3920181, 5226908, 6533635, 7840362, 13067270, 15680724, 19600905, 26134540, 39201810, 78403620]

約数ペア:

[(1, 78403620), (2, 39201810), (3, 26134540), (4, 19600905), (5, 15680724), (6, 13067270), (10, 7840362), (12, 6533635), (15, 5226908), (20, 3920181), (30, 2613454), (43, 1823340), (60, 1306727), (86, 911670), (129, 607780), (172, 455835), (215, 364668), (258, 303890), (430, 182334), (516, 151945), (645, 121556), (860, 91167), (1290, 60778), (2580, 30389)]