81137664

素因数分解:

$2^{12}\times 3^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:132

約数の個数: 156

約数和(自身を含む): 245336832

約数和(自身を除く): 164199168

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 64, 71, 72, 93, 96, 124, 128, 142, 144, 186, 192, 213, 248, 256, 279, 284, 288, 372, 384, 426, 496, 512, 558, 568, 576, 639, 744, 768, 852, 992, 1024, 1116, 1136, 1152, 1278, 1488, 1536, 1704, 1984, 2048, 2201, 2232, 2272, 2304, 2556, 2976, 3072, 3408, 3968, 4096, 4402, 4464, 4544, 4608, 5112, 5952, 6144, 6603, 6816, 7936, 8804, 8928, 9088, 9216, 10224, 11904, 12288, 13206, 13632, 15872, 17608, 17856, 18176, 18432, 19809, 20448, 23808, 26412, 27264, 31744, 35216, 35712, 36352, 36864, 39618, 40896, 47616, 52824, 54528, 63488, 70432, 71424, 72704, 79236, 81792, 95232, 105648, 109056, 126976, 140864, 142848, 145408, 158472, 163584, 190464, 211296, 218112, 281728, 285696, 290816, 316944, 327168, 380928, 422592, 436224, 563456, 571392, 633888, 654336, 845184, 872448, 1126912, 1142784, 1267776, 1308672, 1690368, 2253824, 2535552, 2617344, 3380736, 4507648, 5071104, 6761472, 9015296, 10142208, 13522944, 20284416, 27045888, 40568832, 81137664]

約数ペア:

[(1, 81137664), (2, 40568832), (3, 27045888), (4, 20284416), (6, 13522944), (8, 10142208), (9, 9015296), (12, 6761472), (16, 5071104), (18, 4507648), (24, 3380736), (31, 2617344), (32, 2535552), (36, 2253824), (48, 1690368), (62, 1308672), (64, 1267776), (71, 1142784), (72, 1126912), (93, 872448), (96, 845184), (124, 654336), (128, 633888), (142, 571392), (144, 563456), (186, 436224), (192, 422592), (213, 380928), (248, 327168), (256, 316944), (279, 290816), (284, 285696), (288, 281728), (372, 218112), (384, 211296), (426, 190464), (496, 163584), (512, 158472), (558, 145408), (568, 142848), (576, 140864), (639, 126976), (744, 109056), (768, 105648), (852, 95232), (992, 81792), (1024, 79236), (1116, 72704), (1136, 71424), (1152, 70432), (1278, 63488), (1488, 54528), (1536, 52824), (1704, 47616), (1984, 40896), (2048, 39618), (2201, 36864), (2232, 36352), (2272, 35712), (2304, 35216), (2556, 31744), (2976, 27264), (3072, 26412), (3408, 23808), (3968, 20448), (4096, 19809), (4402, 18432), (4464, 18176), (4544, 17856), (4608, 17608), (5112, 15872), (5952, 13632), (6144, 13206), (6603, 12288), (6816, 11904), (7936, 10224), (8804, 9216), (8928, 9088)]