81560256

素因数分解:

$2^6\times 3^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1$

素因数の和:310

約数の個数: 112

約数和(自身を含む): 227063808

約数和(自身を除く): 145503552

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 64, 71, 93, 96, 124, 142, 186, 192, 193, 213, 248, 284, 372, 386, 426, 496, 568, 579, 744, 772, 852, 992, 1136, 1158, 1488, 1544, 1704, 1984, 2201, 2272, 2316, 2976, 3088, 3408, 4402, 4544, 4632, 5952, 5983, 6176, 6603, 6816, 8804, 9264, 11966, 12352, 13206, 13632, 13703, 17608, 17949, 18528, 23932, 26412, 27406, 35216, 35898, 37056, 41109, 47864, 52824, 54812, 70432, 71796, 82218, 95728, 105648, 109624, 140864, 143592, 164436, 191456, 211296, 219248, 287184, 328872, 382912, 422592, 424793, 438496, 574368, 657744, 849586, 876992, 1148736, 1274379, 1315488, 1699172, 2548758, 2630976, 3398344, 5097516, 6796688, 10195032, 13593376, 20390064, 27186752, 40780128, 81560256]

約数ペア:

[(1, 81560256), (2, 40780128), (3, 27186752), (4, 20390064), (6, 13593376), (8, 10195032), (12, 6796688), (16, 5097516), (24, 3398344), (31, 2630976), (32, 2548758), (48, 1699172), (62, 1315488), (64, 1274379), (71, 1148736), (93, 876992), (96, 849586), (124, 657744), (142, 574368), (186, 438496), (192, 424793), (193, 422592), (213, 382912), (248, 328872), (284, 287184), (372, 219248), (386, 211296), (426, 191456), (496, 164436), (568, 143592), (579, 140864), (744, 109624), (772, 105648), (852, 95728), (992, 82218), (1136, 71796), (1158, 70432), (1488, 54812), (1544, 52824), (1704, 47864), (1984, 41109), (2201, 37056), (2272, 35898), (2316, 35216), (2976, 27406), (3088, 26412), (3408, 23932), (4402, 18528), (4544, 17949), (4632, 17608), (5952, 13703), (5983, 13632), (6176, 13206), (6603, 12352), (6816, 11966), (8804, 9264)]