165917920

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{21163}}^1$

素因数の和:21192

約数の個数: 72

約数和(自身を含む): 455999544

約数和(自身を除く): 290081624

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 21163, 42326, 84652, 105815, 148141, 169304, 211630, 296282, 338608, 423260, 592564, 677216, 740705, 846520, 1036987, 1185128, 1481410, 1693040, 2073974, 2370256, 2962820, 3386080, 4147948, 4740512, 5184935, 5925640, 8295896, 10369870, 11851280, 16591792, 20739740, 23702560, 33183584, 41479480, 82958960, 165917920]

約数ペア:

[(1, 165917920), (2, 82958960), (4, 41479480), (5, 33183584), (7, 23702560), (8, 20739740), (10, 16591792), (14, 11851280), (16, 10369870), (20, 8295896), (28, 5925640), (32, 5184935), (35, 4740512), (40, 4147948), (49, 3386080), (56, 2962820), (70, 2370256), (80, 2073974), (98, 1693040), (112, 1481410), (140, 1185128), (160, 1036987), (196, 846520), (224, 740705), (245, 677216), (280, 592564), (392, 423260), (490, 338608), (560, 296282), (784, 211630), (980, 169304), (1120, 148141), (1568, 105815), (1960, 84652), (3920, 42326), (7840, 21163)]