205804080

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{285839}}^1$

素因数の和:285858

約数の個数: 60

約数和(自身を含む): 691161120

約数和(自身を除く): 485357040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 285839, 571678, 857517, 1143356, 1429195, 1715034, 2286712, 2572551, 2858390, 3430068, 4287585, 4573424, 5145102, 5716780, 6860136, 8575170, 10290204, 11433560, 12862755, 13720272, 17150340, 20580408, 22867120, 25725510, 34300680, 41160816, 51451020, 68601360, 102902040, 205804080]

約数ペア:

[(1, 205804080), (2, 102902040), (3, 68601360), (4, 51451020), (5, 41160816), (6, 34300680), (8, 25725510), (9, 22867120), (10, 20580408), (12, 17150340), (15, 13720272), (16, 12862755), (18, 11433560), (20, 10290204), (24, 8575170), (30, 6860136), (36, 5716780), (40, 5145102), (45, 4573424), (48, 4287585), (60, 3430068), (72, 2858390), (80, 2572551), (90, 2286712), (120, 1715034), (144, 1429195), (180, 1143356), (240, 857517), (360, 571678), (720, 285839)]