43138260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21787}}^1$

素因数の和:21813

約数の個数: 72

約数和(自身を含む): 142754976

約数和(自身を除く): 99616716

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, 21787, 43574, 65361, 87148, 108935, 130722, 196083, 217870, 239657, 261444, 326805, 392166, 435740, 479314, 653610, 718971, 784332, 958628, 980415, 1198285, 1307220, 1437942, 1960830, 2156913, 2396570, 2875884, 3594855, 3921660, 4313826, 4793140, 7189710, 8627652, 10784565, 14379420, 21569130, 43138260]

約数ペア:

[(1, 43138260), (2, 21569130), (3, 14379420), (4, 10784565), (5, 8627652), (6, 7189710), (9, 4793140), (10, 4313826), (11, 3921660), (12, 3594855), (15, 2875884), (18, 2396570), (20, 2156913), (22, 1960830), (30, 1437942), (33, 1307220), (36, 1198285), (44, 980415), (45, 958628), (55, 784332), (60, 718971), (66, 653610), (90, 479314), (99, 435740), (110, 392166), (132, 326805), (165, 261444), (180, 239657), (198, 217870), (220, 196083), (330, 130722), (396, 108935), (495, 87148), (660, 65361), (990, 43574), (1980, 21787)]