84987540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{42923}}^1$

素因数の和:42949

約数の個数: 72

約数和(自身を含む): 281238048

約数和(自身を除く): 196250508

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, 42923, 85846, 128769, 171692, 214615, 257538, 386307, 429230, 472153, 515076, 643845, 772614, 858460, 944306, 1287690, 1416459, 1545228, 1888612, 1931535, 2360765, 2575380, 2832918, 3863070, 4249377, 4721530, 5665836, 7082295, 7726140, 8498754, 9443060, 14164590, 16997508, 21246885, 28329180, 42493770, 84987540]

約数ペア:

[(1, 84987540), (2, 42493770), (3, 28329180), (4, 21246885), (5, 16997508), (6, 14164590), (9, 9443060), (10, 8498754), (11, 7726140), (12, 7082295), (15, 5665836), (18, 4721530), (20, 4249377), (22, 3863070), (30, 2832918), (33, 2575380), (36, 2360765), (44, 1931535), (45, 1888612), (55, 1545228), (60, 1416459), (66, 1287690), (90, 944306), (99, 858460), (110, 772614), (132, 643845), (165, 515076), (180, 472153), (198, 429230), (220, 386307), (330, 257538), (396, 214615), (495, 171692), (660, 128769), (990, 85846), (1980, 42923)]