1780451580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1549}}^1\times {\mathrm{19157}}^1$

素因数の和:20718

約数の個数: 48

約数和(自身を含む): 4988743200

約数和(自身を除く): 3208291620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1549, 3098, 4647, 6196, 7745, 9294, 15490, 18588, 19157, 23235, 30980, 38314, 46470, 57471, 76628, 92940, 95785, 114942, 191570, 229884, 287355, 383140, 574710, 1149420, 29674193, 59348386, 89022579, 118696772, 148370965, 178045158, 296741930, 356090316, 445112895, 593483860, 890225790, 1780451580]

約数ペア:

[(1, 1780451580), (2, 890225790), (3, 593483860), (4, 445112895), (5, 356090316), (6, 296741930), (10, 178045158), (12, 148370965), (15, 118696772), (20, 89022579), (30, 59348386), (60, 29674193), (1549, 1149420), (3098, 574710), (4647, 383140), (6196, 287355), (7745, 229884), (9294, 191570), (15490, 114942), (18588, 95785), (19157, 92940), (23235, 76628), (30980, 57471), (38314, 46470)]