80663640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{39541}}^1$

素因数の和:39572

約数の個数: 64

約数和(自身を含む): 256232160

約数和(自身を除く): 175568520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 39541, 79082, 118623, 158164, 197705, 237246, 316328, 395410, 474492, 593115, 672197, 790820, 948984, 1186230, 1344394, 1581640, 2016591, 2372460, 2688788, 3360985, 4033182, 4744920, 5377576, 6721970, 8066364, 10082955, 13443940, 16132728, 20165910, 26887880, 40331820, 80663640]

約数ペア:

[(1, 80663640), (2, 40331820), (3, 26887880), (4, 20165910), (5, 16132728), (6, 13443940), (8, 10082955), (10, 8066364), (12, 6721970), (15, 5377576), (17, 4744920), (20, 4033182), (24, 3360985), (30, 2688788), (34, 2372460), (40, 2016591), (51, 1581640), (60, 1344394), (68, 1186230), (85, 948984), (102, 790820), (120, 672197), (136, 593115), (170, 474492), (204, 395410), (255, 316328), (340, 237246), (408, 197705), (510, 158164), (680, 118623), (1020, 79082), (2040, 39541)]