660401145

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{18839}}^1$

素因数の和:18910

約数の個数: 48

約数和(自身を含む): 1234396800

約数和(自身を除く): 573995655

約数列:

[1, 3, 5, 9, 15, 19, 41, 45, 57, 95, 123, 171, 205, 285, 369, 615, 779, 855, 1845, 2337, 3895, 7011, 11685, 18839, 35055, 56517, 94195, 169551, 282585, 357941, 772399, 847755, 1073823, 1789705, 2317197, 3221469, 3861995, 5369115, 6951591, 11585985, 14675581, 16107345, 34757955, 44026743, 73377905, 132080229, 220133715, 660401145]

約数ペア:

[(1, 660401145), (3, 220133715), (5, 132080229), (9, 73377905), (15, 44026743), (19, 34757955), (41, 16107345), (45, 14675581), (57, 11585985), (95, 6951591), (123, 5369115), (171, 3861995), (205, 3221469), (285, 2317197), (369, 1789705), (615, 1073823), (779, 847755), (855, 772399), (1845, 357941), (2337, 282585), (3895, 169551), (7011, 94195), (11685, 56517), (18839, 35055)]