209371920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{872383}}^1$

素因数の和:872399

約数の個数: 40

約数和(自身を含む): 649053696

約数和(自身を除く): 439681776

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 872383, 1744766, 2617149, 3489532, 4361915, 5234298, 6979064, 8723830, 10468596, 13085745, 13958128, 17447660, 20937192, 26171490, 34895320, 41874384, 52342980, 69790640, 104685960, 209371920]

約数ペア:

[(1, 209371920), (2, 104685960), (3, 69790640), (4, 52342980), (5, 41874384), (6, 34895320), (8, 26171490), (10, 20937192), (12, 17447660), (15, 13958128), (16, 13085745), (20, 10468596), (24, 8723830), (30, 6979064), (40, 5234298), (48, 4361915), (60, 3489532), (80, 2617149), (120, 1744766), (240, 872383)]