1275780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1933}}^1$

素因数の和:1956

約数の個数: 48

約数和(自身を含む): 3898944

約数和(自身を除く): 2623164

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 1933, 3866, 5799, 7732, 9665, 11598, 19330, 21263, 23196, 28995, 38660, 42526, 57990, 63789, 85052, 106315, 115980, 127578, 212630, 255156, 318945, 425260, 637890, 1275780]

約数ペア:

[(1, 1275780), (2, 637890), (3, 425260), (4, 318945), (5, 255156), (6, 212630), (10, 127578), (11, 115980), (12, 106315), (15, 85052), (20, 63789), (22, 57990), (30, 42526), (33, 38660), (44, 28995), (55, 23196), (60, 21263), (66, 19330), (110, 11598), (132, 9665), (165, 7732), (220, 5799), (330, 3866), (660, 1933)]