290616720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1210903}}^1$

素因数の和:1210919

約数の個数: 40

約数和(自身を含む): 900912576

約数和(自身を除く): 610295856

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1210903, 2421806, 3632709, 4843612, 6054515, 7265418, 9687224, 12109030, 14530836, 18163545, 19374448, 24218060, 29061672, 36327090, 48436120, 58123344, 72654180, 96872240, 145308360, 290616720]

約数ペア:

[(1, 290616720), (2, 145308360), (3, 96872240), (4, 72654180), (5, 58123344), (6, 48436120), (8, 36327090), (10, 29061672), (12, 24218060), (15, 19374448), (16, 18163545), (20, 14530836), (24, 12109030), (30, 9687224), (40, 7265418), (48, 6054515), (60, 4843612), (80, 3632709), (120, 2421806), (240, 1210903)]