157438960

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{40163}}^1$

素因数の和:40190

約数の個数: 60

約数和(自身を含む): 425818728

約数和(自身を除く): 268379768

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 40163, 80326, 160652, 200815, 281141, 321304, 401630, 562282, 642608, 803260, 1124564, 1405705, 1606520, 1967987, 2249128, 2811410, 3213040, 3935974, 4498256, 5622820, 7871948, 9839935, 11245640, 15743896, 19679870, 22491280, 31487792, 39359740, 78719480, 157438960]

約数ペア:

[(1, 157438960), (2, 78719480), (4, 39359740), (5, 31487792), (7, 22491280), (8, 19679870), (10, 15743896), (14, 11245640), (16, 9839935), (20, 7871948), (28, 5622820), (35, 4498256), (40, 3935974), (49, 3213040), (56, 2811410), (70, 2249128), (80, 1967987), (98, 1606520), (112, 1405705), (140, 1124564), (196, 803260), (245, 642608), (280, 562282), (392, 401630), (490, 321304), (560, 281141), (784, 200815), (980, 160652), (1960, 80326), (3920, 40163)]