81027180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1117}}^1$

素因数の和:1176

約数の個数: 144

約数和(自身を含む): 273471744

約数和(自身を除く): 192444564

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 31, 36, 39, 45, 52, 60, 62, 65, 78, 90, 93, 117, 124, 130, 155, 156, 180, 186, 195, 234, 260, 279, 310, 372, 390, 403, 465, 468, 558, 585, 620, 780, 806, 930, 1116, 1117, 1170, 1209, 1395, 1612, 1860, 2015, 2234, 2340, 2418, 2790, 3351, 3627, 4030, 4468, 4836, 5580, 5585, 6045, 6702, 7254, 8060, 10053, 11170, 12090, 13404, 14508, 14521, 16755, 18135, 20106, 22340, 24180, 29042, 33510, 34627, 36270, 40212, 43563, 50265, 58084, 67020, 69254, 72540, 72605, 87126, 100530, 103881, 130689, 138508, 145210, 173135, 174252, 201060, 207762, 217815, 261378, 290420, 311643, 346270, 415524, 435630, 450151, 519405, 522756, 623286, 653445, 692540, 871260, 900302, 1038810, 1246572, 1306890, 1350453, 1558215, 1800604, 2077620, 2250755, 2613780, 2700906, 3116430, 4051359, 4501510, 5401812, 6232860, 6752265, 8102718, 9003020, 13504530, 16205436, 20256795, 27009060, 40513590, 81027180]

約数ペア:

[(1, 81027180), (2, 40513590), (3, 27009060), (4, 20256795), (5, 16205436), (6, 13504530), (9, 9003020), (10, 8102718), (12, 6752265), (13, 6232860), (15, 5401812), (18, 4501510), (20, 4051359), (26, 3116430), (30, 2700906), (31, 2613780), (36, 2250755), (39, 2077620), (45, 1800604), (52, 1558215), (60, 1350453), (62, 1306890), (65, 1246572), (78, 1038810), (90, 900302), (93, 871260), (117, 692540), (124, 653445), (130, 623286), (155, 522756), (156, 519405), (180, 450151), (186, 435630), (195, 415524), (234, 346270), (260, 311643), (279, 290420), (310, 261378), (372, 217815), (390, 207762), (403, 201060), (465, 174252), (468, 173135), (558, 145210), (585, 138508), (620, 130689), (780, 103881), (806, 100530), (930, 87126), (1116, 72605), (1117, 72540), (1170, 69254), (1209, 67020), (1395, 58084), (1612, 50265), (1860, 43563), (2015, 40212), (2234, 36270), (2340, 34627), (2418, 33510), (2790, 29042), (3351, 24180), (3627, 22340), (4030, 20106), (4468, 18135), (4836, 16755), (5580, 14521), (5585, 14508), (6045, 13404), (6702, 12090), (7254, 11170), (8060, 10053)]