258840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{719}}^1$

素因数の和:736

約数の個数: 48

約数和(自身を含む): 842400

約数和(自身を除く): 583560

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, 719, 1438, 2157, 2876, 3595, 4314, 5752, 6471, 7190, 8628, 10785, 12942, 14380, 17256, 21570, 25884, 28760, 32355, 43140, 51768, 64710, 86280, 129420, 258840]

約数ペア:

[(1, 258840), (2, 129420), (3, 86280), (4, 64710), (5, 51768), (6, 43140), (8, 32355), (9, 28760), (10, 25884), (12, 21570), (15, 17256), (18, 14380), (20, 12942), (24, 10785), (30, 8628), (36, 7190), (40, 6471), (45, 5752), (60, 4314), (72, 3595), (90, 2876), (120, 2157), (180, 1438), (360, 719)]