261811116

素因数分解:

$2^2\times 3^5\times 7^2\times {\mathrm{23}}^1\times {\mathrm{239}}^1$

素因数の和:295

約数の個数: 216

約数和(自身を含む): 836559360

約数和(自身を除く): 574748244

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 27, 28, 36, 42, 46, 49, 54, 63, 69, 81, 84, 92, 98, 108, 126, 138, 147, 161, 162, 189, 196, 207, 239, 243, 252, 276, 294, 322, 324, 378, 414, 441, 478, 483, 486, 567, 588, 621, 644, 717, 756, 828, 882, 956, 966, 972, 1127, 1134, 1242, 1323, 1434, 1449, 1673, 1701, 1764, 1863, 1932, 2151, 2254, 2268, 2484, 2646, 2868, 2898, 3346, 3381, 3402, 3726, 3969, 4302, 4347, 4508, 5019, 5292, 5497, 5589, 5796, 6453, 6692, 6762, 6804, 7452, 7938, 8604, 8694, 10038, 10143, 10994, 11178, 11711, 11907, 12906, 13041, 13524, 15057, 15876, 16491, 17388, 19359, 20076, 20286, 21988, 22356, 23422, 23814, 25812, 26082, 30114, 30429, 32982, 35133, 38479, 38718, 39123, 40572, 45171, 46844, 47628, 49473, 52164, 58077, 60228, 60858, 65964, 70266, 76958, 77436, 78246, 90342, 91287, 98946, 105399, 115437, 116154, 121716, 135513, 140532, 148419, 153916, 156492, 180684, 182574, 197892, 210798, 230874, 232308, 269353, 271026, 273861, 296838, 316197, 346311, 365148, 406539, 421596, 445257, 461748, 538706, 542052, 547722, 593676, 632394, 692622, 808059, 813078, 890514, 948591, 1038933, 1077412, 1095444, 1264788, 1335771, 1385244, 1616118, 1626156, 1781028, 1897182, 2077866, 2424177, 2671542, 2845773, 3116799, 3232236, 3794364, 4155732, 4848354, 5343084, 5691546, 6233598, 7272531, 9350397, 9696708, 11383092, 12467196, 14545062, 18700794, 21817593, 29090124, 37401588, 43635186, 65452779, 87270372, 130905558, 261811116]

約数ペア:

[(1, 261811116), (2, 130905558), (3, 87270372), (4, 65452779), (6, 43635186), (7, 37401588), (9, 29090124), (12, 21817593), (14, 18700794), (18, 14545062), (21, 12467196), (23, 11383092), (27, 9696708), (28, 9350397), (36, 7272531), (42, 6233598), (46, 5691546), (49, 5343084), (54, 4848354), (63, 4155732), (69, 3794364), (81, 3232236), (84, 3116799), (92, 2845773), (98, 2671542), (108, 2424177), (126, 2077866), (138, 1897182), (147, 1781028), (161, 1626156), (162, 1616118), (189, 1385244), (196, 1335771), (207, 1264788), (239, 1095444), (243, 1077412), (252, 1038933), (276, 948591), (294, 890514), (322, 813078), (324, 808059), (378, 692622), (414, 632394), (441, 593676), (478, 547722), (483, 542052), (486, 538706), (567, 461748), (588, 445257), (621, 421596), (644, 406539), (717, 365148), (756, 346311), (828, 316197), (882, 296838), (956, 273861), (966, 271026), (972, 269353), (1127, 232308), (1134, 230874), (1242, 210798), (1323, 197892), (1434, 182574), (1449, 180684), (1673, 156492), (1701, 153916), (1764, 148419), (1863, 140532), (1932, 135513), (2151, 121716), (2254, 116154), (2268, 115437), (2484, 105399), (2646, 98946), (2868, 91287), (2898, 90342), (3346, 78246), (3381, 77436), (3402, 76958), (3726, 70266), (3969, 65964), (4302, 60858), (4347, 60228), (4508, 58077), (5019, 52164), (5292, 49473), (5497, 47628), (5589, 46844), (5796, 45171), (6453, 40572), (6692, 39123), (6762, 38718), (6804, 38479), (7452, 35133), (7938, 32982), (8604, 30429), (8694, 30114), (10038, 26082), (10143, 25812), (10994, 23814), (11178, 23422), (11711, 22356), (11907, 21988), (12906, 20286), (13041, 20076), (13524, 19359), (15057, 17388), (15876, 16491)]