1239919380

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{991}}^1$

素因数の和:1347

約数の個数: 192

約数和(自身を含む): 4426383360

約数和(自身を除く): 3186463980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 331, 378, 420, 540, 630, 662, 756, 945, 991, 993, 1260, 1324, 1655, 1890, 1982, 1986, 2317, 2973, 2979, 3310, 3780, 3964, 3972, 4634, 4955, 4965, 5946, 5958, 6620, 6937, 6951, 8919, 8937, 9268, 9910, 9930, 11585, 11892, 11916, 13874, 13902, 14865, 14895, 17838, 17874, 19820, 19860, 20811, 20853, 23170, 26757, 27748, 27804, 29730, 29790, 34685, 34755, 35676, 35748, 41622, 41706, 44595, 44685, 46340, 53514, 59460, 59580, 62433, 62559, 69370, 69510, 83244, 83412, 89190, 89370, 104055, 104265, 107028, 124866, 125118, 133785, 138740, 139020, 178380, 178740, 187299, 208110, 208530, 249732, 250236, 267570, 312165, 312795, 328021, 374598, 416220, 417060, 535140, 624330, 625590, 656042, 749196, 936495, 984063, 1248660, 1251180, 1312084, 1640105, 1872990, 1968126, 2296147, 2952189, 3280210, 3745980, 3936252, 4592294, 4920315, 5904378, 6560420, 6888441, 8856567, 9184588, 9840630, 11480735, 11808756, 13776882, 14760945, 17713134, 19681260, 20665323, 22961470, 27553764, 29521890, 34442205, 35426268, 41330646, 44282835, 45922940, 59043780, 61995969, 68884410, 82661292, 88565670, 103326615, 123991938, 137768820, 177131340, 206653230, 247983876, 309979845, 413306460, 619959690, 1239919380]

約数ペア:

[(1, 1239919380), (2, 619959690), (3, 413306460), (4, 309979845), (5, 247983876), (6, 206653230), (7, 177131340), (9, 137768820), (10, 123991938), (12, 103326615), (14, 88565670), (15, 82661292), (18, 68884410), (20, 61995969), (21, 59043780), (27, 45922940), (28, 44282835), (30, 41330646), (35, 35426268), (36, 34442205), (42, 29521890), (45, 27553764), (54, 22961470), (60, 20665323), (63, 19681260), (70, 17713134), (84, 14760945), (90, 13776882), (105, 11808756), (108, 11480735), (126, 9840630), (135, 9184588), (140, 8856567), (180, 6888441), (189, 6560420), (210, 5904378), (252, 4920315), (270, 4592294), (315, 3936252), (331, 3745980), (378, 3280210), (420, 2952189), (540, 2296147), (630, 1968126), (662, 1872990), (756, 1640105), (945, 1312084), (991, 1251180), (993, 1248660), (1260, 984063), (1324, 936495), (1655, 749196), (1890, 656042), (1982, 625590), (1986, 624330), (2317, 535140), (2973, 417060), (2979, 416220), (3310, 374598), (3780, 328021), (3964, 312795), (3972, 312165), (4634, 267570), (4955, 250236), (4965, 249732), (5946, 208530), (5958, 208110), (6620, 187299), (6937, 178740), (6951, 178380), (8919, 139020), (8937, 138740), (9268, 133785), (9910, 125118), (9930, 124866), (11585, 107028), (11892, 104265), (11916, 104055), (13874, 89370), (13902, 89190), (14865, 83412), (14895, 83244), (17838, 69510), (17874, 69370), (19820, 62559), (19860, 62433), (20811, 59580), (20853, 59460), (23170, 53514), (26757, 46340), (27748, 44685), (27804, 44595), (29730, 41706), (29790, 41622), (34685, 35748), (34755, 35676)]