1621822160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{2896111}}^1$

素因数の和:2896131

約数の個数: 40

約数和(自身を含む): 4309414656

約数和(自身を除く): 2687592496

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 2896111, 5792222, 11584444, 14480555, 20272777, 23168888, 28961110, 40545554, 46337776, 57922220, 81091108, 101363885, 115844440, 162182216, 202727770, 231688880, 324364432, 405455540, 810911080, 1621822160]

約数ペア:

[(1, 1621822160), (2, 810911080), (4, 405455540), (5, 324364432), (7, 231688880), (8, 202727770), (10, 162182216), (14, 115844440), (16, 101363885), (20, 81091108), (28, 57922220), (35, 46337776), (40, 40545554), (56, 28961110), (70, 23168888), (80, 20272777), (112, 14480555), (140, 11584444), (280, 5792222), (560, 2896111)]