81923640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{682697}}^1$

素因数の和:682711

約数の個数: 32

約数和(自身を含む): 245771280

約数和(自身を除く): 163847640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 682697, 1365394, 2048091, 2730788, 3413485, 4096182, 5461576, 6826970, 8192364, 10240455, 13653940, 16384728, 20480910, 27307880, 40961820, 81923640]

約数ペア:

[(1, 81923640), (2, 40961820), (3, 27307880), (4, 20480910), (5, 16384728), (6, 13653940), (8, 10240455), (10, 8192364), (12, 6826970), (15, 5461576), (20, 4096182), (24, 3413485), (30, 2730788), (40, 2048091), (60, 1365394), (120, 682697)]