1987491168

素因数分解:

$2^5\times 3^5\times {\mathrm{13}}^1\times {\mathrm{19661}}^1$

素因数の和:19699

約数の個数: 144

約数和(自身を含む): 6312445776

約数和(自身を除く): 4324954608

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 72, 78, 81, 96, 104, 108, 117, 144, 156, 162, 208, 216, 234, 243, 288, 312, 324, 351, 416, 432, 468, 486, 624, 648, 702, 864, 936, 972, 1053, 1248, 1296, 1404, 1872, 1944, 2106, 2592, 2808, 3159, 3744, 3888, 4212, 5616, 6318, 7776, 8424, 11232, 12636, 16848, 19661, 25272, 33696, 39322, 50544, 58983, 78644, 101088, 117966, 157288, 176949, 235932, 255593, 314576, 353898, 471864, 511186, 530847, 629152, 707796, 766779, 943728, 1022372, 1061694, 1415592, 1533558, 1592541, 1887456, 2044744, 2123388, 2300337, 2831184, 3067116, 3185082, 4089488, 4246776, 4600674, 4777623, 5662368, 6134232, 6370164, 6901011, 8178976, 8493552, 9201348, 9555246, 12268464, 12740328, 13802022, 16987104, 18402696, 19110492, 20703033, 24536928, 25480656, 27604044, 36805392, 38220984, 41406066, 50961312, 55208088, 62109099, 73610784, 76441968, 82812132, 110416176, 124218198, 152883936, 165624264, 220832352, 248436396, 331248528, 496872792, 662497056, 993745584, 1987491168]

約数ペア:

[(1, 1987491168), (2, 993745584), (3, 662497056), (4, 496872792), (6, 331248528), (8, 248436396), (9, 220832352), (12, 165624264), (13, 152883936), (16, 124218198), (18, 110416176), (24, 82812132), (26, 76441968), (27, 73610784), (32, 62109099), (36, 55208088), (39, 50961312), (48, 41406066), (52, 38220984), (54, 36805392), (72, 27604044), (78, 25480656), (81, 24536928), (96, 20703033), (104, 19110492), (108, 18402696), (117, 16987104), (144, 13802022), (156, 12740328), (162, 12268464), (208, 9555246), (216, 9201348), (234, 8493552), (243, 8178976), (288, 6901011), (312, 6370164), (324, 6134232), (351, 5662368), (416, 4777623), (432, 4600674), (468, 4246776), (486, 4089488), (624, 3185082), (648, 3067116), (702, 2831184), (864, 2300337), (936, 2123388), (972, 2044744), (1053, 1887456), (1248, 1592541), (1296, 1533558), (1404, 1415592), (1872, 1061694), (1944, 1022372), (2106, 943728), (2592, 766779), (2808, 707796), (3159, 629152), (3744, 530847), (3888, 511186), (4212, 471864), (5616, 353898), (6318, 314576), (7776, 255593), (8424, 235932), (11232, 176949), (12636, 157288), (16848, 117966), (19661, 101088), (25272, 78644), (33696, 58983), (39322, 50544)]