8757540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4423}}^1$

素因数の和:4449

約数の個数: 72

約数和(自身を含む): 28986048

約数和(自身を除く): 20228508

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 4423, 8846, 13269, 17692, 22115, 26538, 39807, 44230, 48653, 53076, 66345, 79614, 88460, 97306, 132690, 145959, 159228, 194612, 199035, 243265, 265380, 291918, 398070, 437877, 486530, 583836, 729795, 796140, 875754, 973060, 1459590, 1751508, 2189385, 2919180, 4378770, 8757540]

約数ペア:

[(1, 8757540), (2, 4378770), (3, 2919180), (4, 2189385), (5, 1751508), (6, 1459590), (9, 973060), (10, 875754), (11, 796140), (12, 729795), (15, 583836), (18, 486530), (20, 437877), (22, 398070), (30, 291918), (33, 265380), (36, 243265), (44, 199035), (45, 194612), (55, 159228), (60, 145959), (66, 132690), (90, 97306), (99, 88460), (110, 79614), (132, 66345), (165, 53076), (180, 48653), (198, 44230), (220, 39807), (330, 26538), (396, 22115), (495, 17692), (660, 13269), (990, 8846), (1980, 4423)]