55406340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{27983}}^1$

素因数の和:28009

約数の個数: 72

約数和(自身を含む): 183351168

約数和(自身を除く): 127944828

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, 27983, 55966, 83949, 111932, 139915, 167898, 251847, 279830, 307813, 335796, 419745, 503694, 559660, 615626, 839490, 923439, 1007388, 1231252, 1259235, 1539065, 1678980, 1846878, 2518470, 2770317, 3078130, 3693756, 4617195, 5036940, 5540634, 6156260, 9234390, 11081268, 13851585, 18468780, 27703170, 55406340]

約数ペア:

[(1, 55406340), (2, 27703170), (3, 18468780), (4, 13851585), (5, 11081268), (6, 9234390), (9, 6156260), (10, 5540634), (11, 5036940), (12, 4617195), (15, 3693756), (18, 3078130), (20, 2770317), (22, 2518470), (30, 1846878), (33, 1678980), (36, 1539065), (44, 1259235), (45, 1231252), (55, 1007388), (60, 923439), (66, 839490), (90, 615626), (99, 559660), (110, 503694), (132, 419745), (165, 335796), (180, 307813), (198, 279830), (220, 251847), (330, 167898), (396, 139915), (495, 111932), (660, 83949), (990, 55966), (1980, 27983)]