621566960

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{158563}}^1$

素因数の和:158590

約数の個数: 60

約数和(自身を含む): 1681095528

約数和(自身を除く): 1059528568

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, 158563, 317126, 634252, 792815, 1109941, 1268504, 1585630, 2219882, 2537008, 3171260, 4439764, 5549705, 6342520, 7769587, 8879528, 11099410, 12685040, 15539174, 17759056, 22198820, 31078348, 38847935, 44397640, 62156696, 77695870, 88795280, 124313392, 155391740, 310783480, 621566960]

約数ペア:

[(1, 621566960), (2, 310783480), (4, 155391740), (5, 124313392), (7, 88795280), (8, 77695870), (10, 62156696), (14, 44397640), (16, 38847935), (20, 31078348), (28, 22198820), (35, 17759056), (40, 15539174), (49, 12685040), (56, 11099410), (70, 8879528), (80, 7769587), (98, 6342520), (112, 5549705), (140, 4439764), (196, 3171260), (245, 2537008), (280, 2219882), (392, 1585630), (490, 1268504), (560, 1109941), (784, 792815), (980, 634252), (1960, 317126), (3920, 158563)]