120212920

素因数分解:

$2^3\times 5^1\times {\mathrm{1571}}^1\times {\mathrm{1913}}^1$

素因数の和:3495

約数の個数: 32

約数和(自身を含む): 270792720

約数和(自身を除く): 150579800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1571, 1913, 3142, 3826, 6284, 7652, 7855, 9565, 12568, 15304, 15710, 19130, 31420, 38260, 62840, 76520, 3005323, 6010646, 12021292, 15026615, 24042584, 30053230, 60106460, 120212920]

約数ペア:

[(1, 120212920), (2, 60106460), (4, 30053230), (5, 24042584), (8, 15026615), (10, 12021292), (20, 6010646), (40, 3005323), (1571, 76520), (1913, 62840), (3142, 38260), (3826, 31420), (6284, 19130), (7652, 15710), (7855, 15304), (9565, 12568)]