261763560

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{727121}}^1$

素因数の和:727138

約数の個数: 48

約数和(自身を含む): 850732740

約数和(自身を除く): 588969180

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 727121, 1454242, 2181363, 2908484, 3635605, 4362726, 5816968, 6544089, 7271210, 8725452, 10906815, 13088178, 14542420, 17450904, 21813630, 26176356, 29084840, 32720445, 43627260, 52352712, 65440890, 87254520, 130881780, 261763560]

約数ペア:

[(1, 261763560), (2, 130881780), (3, 87254520), (4, 65440890), (5, 52352712), (6, 43627260), (8, 32720445), (9, 29084840), (10, 26176356), (12, 21813630), (15, 17450904), (18, 14542420), (20, 13088178), (24, 10906815), (30, 8725452), (36, 7271210), (40, 6544089), (45, 5816968), (60, 4362726), (72, 3635605), (90, 2908484), (120, 2181363), (180, 1454242), (360, 727121)]