90840720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{378503}}^1$

素因数の和:378519

約数の個数: 40

約数和(自身を含む): 281606976

約数和(自身を除く): 190766256

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 378503, 757006, 1135509, 1514012, 1892515, 2271018, 3028024, 3785030, 4542036, 5677545, 6056048, 7570060, 9084072, 11355090, 15140120, 18168144, 22710180, 30280240, 45420360, 90840720]

約数ペア:

[(1, 90840720), (2, 45420360), (3, 30280240), (4, 22710180), (5, 18168144), (6, 15140120), (8, 11355090), (10, 9084072), (12, 7570060), (15, 6056048), (16, 5677545), (20, 4542036), (24, 3785030), (30, 3028024), (40, 2271018), (48, 1892515), (60, 1514012), (80, 1135509), (120, 757006), (240, 378503)]