81407880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{226133}}^1$

素因数の和:226150

約数の個数: 48

約数和(自身を含む): 264576780

約数和(自身を除く): 183168900

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 226133, 452266, 678399, 904532, 1130665, 1356798, 1809064, 2035197, 2261330, 2713596, 3391995, 4070394, 4522660, 5427192, 6783990, 8140788, 9045320, 10175985, 13567980, 16281576, 20351970, 27135960, 40703940, 81407880]

約数ペア:

[(1, 81407880), (2, 40703940), (3, 27135960), (4, 20351970), (5, 16281576), (6, 13567980), (8, 10175985), (9, 9045320), (10, 8140788), (12, 6783990), (15, 5427192), (18, 4522660), (20, 4070394), (24, 3391995), (30, 2713596), (36, 2261330), (40, 2035197), (45, 1809064), (60, 1356798), (72, 1130665), (90, 904532), (120, 678399), (180, 452266), (360, 226133)]