64787880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{539899}}^1$

素因数の和:539913

約数の個数: 32

約数和(自身を含む): 194364000

約数和(自身を除く): 129576120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 539899, 1079798, 1619697, 2159596, 2699495, 3239394, 4319192, 5398990, 6478788, 8098485, 10797980, 12957576, 16196970, 21595960, 32393940, 64787880]

約数ペア:

[(1, 64787880), (2, 32393940), (3, 21595960), (4, 16196970), (5, 12957576), (6, 10797980), (8, 8098485), (10, 6478788), (12, 5398990), (15, 4319192), (20, 3239394), (24, 2699495), (30, 2159596), (40, 1619697), (60, 1079798), (120, 539899)]