81566208

素因数分解:

$2^9\times 3^2\times {\mathrm{31}}^1\times {\mathrm{571}}^1$

素因数の和:626

約数の個数: 120

約数和(自身を含む): 243424896

約数和(自身を除く): 161858688

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 64, 72, 93, 96, 124, 128, 144, 186, 192, 248, 256, 279, 288, 372, 384, 496, 512, 558, 571, 576, 744, 768, 992, 1116, 1142, 1152, 1488, 1536, 1713, 1984, 2232, 2284, 2304, 2976, 3426, 3968, 4464, 4568, 4608, 5139, 5952, 6852, 7936, 8928, 9136, 10278, 11904, 13704, 15872, 17701, 17856, 18272, 20556, 23808, 27408, 35402, 35712, 36544, 41112, 47616, 53103, 54816, 70804, 71424, 73088, 82224, 106206, 109632, 141608, 142848, 146176, 159309, 164448, 212412, 219264, 283216, 292352, 318618, 328896, 424824, 438528, 566432, 637236, 657792, 849648, 877056, 1132864, 1274472, 1315584, 1699296, 2265728, 2548944, 2631168, 3398592, 4531456, 5097888, 6797184, 9062912, 10195776, 13594368, 20391552, 27188736, 40783104, 81566208]

約数ペア:

[(1, 81566208), (2, 40783104), (3, 27188736), (4, 20391552), (6, 13594368), (8, 10195776), (9, 9062912), (12, 6797184), (16, 5097888), (18, 4531456), (24, 3398592), (31, 2631168), (32, 2548944), (36, 2265728), (48, 1699296), (62, 1315584), (64, 1274472), (72, 1132864), (93, 877056), (96, 849648), (124, 657792), (128, 637236), (144, 566432), (186, 438528), (192, 424824), (248, 328896), (256, 318618), (279, 292352), (288, 283216), (372, 219264), (384, 212412), (496, 164448), (512, 159309), (558, 146176), (571, 142848), (576, 141608), (744, 109632), (768, 106206), (992, 82224), (1116, 73088), (1142, 71424), (1152, 70804), (1488, 54816), (1536, 53103), (1713, 47616), (1984, 41112), (2232, 36544), (2284, 35712), (2304, 35402), (2976, 27408), (3426, 23808), (3968, 20556), (4464, 18272), (4568, 17856), (4608, 17701), (5139, 15872), (5952, 13704), (6852, 11904), (7936, 10278), (8928, 9136)]