221736720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{923903}}^1$

素因数の和:923919

約数の個数: 40

約数和(自身を含む): 687384576

約数和(自身を除く): 465647856

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 923903, 1847806, 2771709, 3695612, 4619515, 5543418, 7391224, 9239030, 11086836, 13858545, 14782448, 18478060, 22173672, 27717090, 36956120, 44347344, 55434180, 73912240, 110868360, 221736720]

約数ペア:

[(1, 221736720), (2, 110868360), (3, 73912240), (4, 55434180), (5, 44347344), (6, 36956120), (8, 27717090), (10, 22173672), (12, 18478060), (15, 14782448), (16, 13858545), (20, 11086836), (24, 9239030), (30, 7391224), (40, 5543418), (48, 4619515), (60, 3695612), (80, 2771709), (120, 1847806), (240, 923903)]