1389758580

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{991}}^1$

素因数の和:1076

約数の個数: 288

約数和(自身を含む): 5129671680

約数和(自身を除く): 3739913100

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, 49, 53, 54, 60, 63, 70, 84, 90, 98, 105, 106, 108, 126, 135, 140, 147, 159, 180, 189, 196, 210, 212, 245, 252, 265, 270, 294, 315, 318, 371, 378, 420, 441, 477, 490, 530, 540, 588, 630, 636, 735, 742, 756, 795, 882, 945, 954, 980, 991, 1060, 1113, 1260, 1323, 1431, 1470, 1484, 1590, 1764, 1855, 1890, 1908, 1982, 2205, 2226, 2385, 2597, 2646, 2862, 2940, 2973, 3180, 3339, 3710, 3780, 3964, 4410, 4452, 4770, 4955, 5194, 5292, 5565, 5724, 5946, 6615, 6678, 6937, 7155, 7420, 7791, 8820, 8919, 9540, 9910, 10017, 10388, 11130, 11892, 12985, 13230, 13356, 13874, 14310, 14865, 15582, 16695, 17838, 19820, 20034, 20811, 22260, 23373, 25970, 26460, 26757, 27748, 28620, 29730, 31164, 33390, 34685, 35676, 38955, 40068, 41622, 44595, 46746, 48559, 50085, 51940, 52523, 53514, 59460, 62433, 66780, 69370, 70119, 77910, 83244, 89190, 93492, 97118, 100170, 104055, 105046, 107028, 116865, 124866, 133785, 138740, 140238, 145677, 155820, 157569, 178380, 187299, 194236, 200340, 208110, 210092, 233730, 242795, 249732, 262615, 267570, 280476, 291354, 312165, 315138, 350595, 367661, 374598, 416220, 437031, 467460, 472707, 485590, 525230, 535140, 582708, 624330, 630276, 701190, 728385, 735322, 749196, 787845, 874062, 936495, 945414, 971180, 1050460, 1102983, 1248660, 1311093, 1402380, 1418121, 1456770, 1470644, 1575690, 1748124, 1838305, 1872990, 1890828, 2185155, 2205966, 2363535, 2573627, 2622186, 2836242, 2913540, 3151380, 3308949, 3676610, 3745980, 4370310, 4411932, 4727070, 5147254, 5244372, 5514915, 5672484, 6555465, 6617898, 7090605, 7353220, 7720881, 8740620, 9454140, 9926847, 10294508, 11029830, 12868135, 13110930, 13235796, 14181210, 15441762, 16544745, 19853694, 22059660, 23162643, 25736270, 26221860, 28362420, 30883524, 33089490, 38604405, 39707388, 46325286, 49634235, 51472540, 66178980, 69487929, 77208810, 92650572, 99268470, 115813215, 138975858, 154417620, 198536940, 231626430, 277951716, 347439645, 463252860, 694879290, 1389758580]

約数ペア:

[(1, 1389758580), (2, 694879290), (3, 463252860), (4, 347439645), (5, 277951716), (6, 231626430), (7, 198536940), (9, 154417620), (10, 138975858), (12, 115813215), (14, 99268470), (15, 92650572), (18, 77208810), (20, 69487929), (21, 66178980), (27, 51472540), (28, 49634235), (30, 46325286), (35, 39707388), (36, 38604405), (42, 33089490), (45, 30883524), (49, 28362420), (53, 26221860), (54, 25736270), (60, 23162643), (63, 22059660), (70, 19853694), (84, 16544745), (90, 15441762), (98, 14181210), (105, 13235796), (106, 13110930), (108, 12868135), (126, 11029830), (135, 10294508), (140, 9926847), (147, 9454140), (159, 8740620), (180, 7720881), (189, 7353220), (196, 7090605), (210, 6617898), (212, 6555465), (245, 5672484), (252, 5514915), (265, 5244372), (270, 5147254), (294, 4727070), (315, 4411932), (318, 4370310), (371, 3745980), (378, 3676610), (420, 3308949), (441, 3151380), (477, 2913540), (490, 2836242), (530, 2622186), (540, 2573627), (588, 2363535), (630, 2205966), (636, 2185155), (735, 1890828), (742, 1872990), (756, 1838305), (795, 1748124), (882, 1575690), (945, 1470644), (954, 1456770), (980, 1418121), (991, 1402380), (1060, 1311093), (1113, 1248660), (1260, 1102983), (1323, 1050460), (1431, 971180), (1470, 945414), (1484, 936495), (1590, 874062), (1764, 787845), (1855, 749196), (1890, 735322), (1908, 728385), (1982, 701190), (2205, 630276), (2226, 624330), (2385, 582708), (2597, 535140), (2646, 525230), (2862, 485590), (2940, 472707), (2973, 467460), (3180, 437031), (3339, 416220), (3710, 374598), (3780, 367661), (3964, 350595), (4410, 315138), (4452, 312165), (4770, 291354), (4955, 280476), (5194, 267570), (5292, 262615), (5565, 249732), (5724, 242795), (5946, 233730), (6615, 210092), (6678, 208110), (6937, 200340), (7155, 194236), (7420, 187299), (7791, 178380), (8820, 157569), (8919, 155820), (9540, 145677), (9910, 140238), (10017, 138740), (10388, 133785), (11130, 124866), (11892, 116865), (12985, 107028), (13230, 105046), (13356, 104055), (13874, 100170), (14310, 97118), (14865, 93492), (15582, 89190), (16695, 83244), (17838, 77910), (19820, 70119), (20034, 69370), (20811, 66780), (22260, 62433), (23373, 59460), (25970, 53514), (26460, 52523), (26757, 51940), (27748, 50085), (28620, 48559), (29730, 46746), (31164, 44595), (33390, 41622), (34685, 40068), (35676, 38955)]