78718976

素因数分解:

$2^{11}\times 7^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1$

素因数の和:82

約数の個数: 144

約数和(自身を含む): 201146400

約数和(自身を除く): 122427424

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 19, 28, 32, 34, 38, 56, 64, 68, 76, 112, 119, 128, 133, 136, 152, 224, 238, 256, 266, 272, 289, 304, 323, 448, 476, 512, 532, 544, 578, 608, 646, 896, 952, 1024, 1064, 1088, 1156, 1216, 1292, 1792, 1904, 2023, 2048, 2128, 2176, 2261, 2312, 2432, 2584, 3584, 3808, 4046, 4256, 4352, 4522, 4624, 4864, 5168, 5491, 7168, 7616, 8092, 8512, 8704, 9044, 9248, 9728, 10336, 10982, 14336, 15232, 16184, 17024, 17408, 18088, 18496, 19456, 20672, 21964, 30464, 32368, 34048, 34816, 36176, 36992, 38437, 38912, 41344, 43928, 60928, 64736, 68096, 72352, 73984, 76874, 82688, 87856, 121856, 129472, 136192, 144704, 147968, 153748, 165376, 175712, 243712, 258944, 272384, 289408, 295936, 307496, 330752, 351424, 517888, 578816, 591872, 614992, 661504, 702848, 1035776, 1157632, 1229984, 1405696, 2071552, 2315264, 2459968, 2811392, 4143104, 4630528, 4919936, 5622784, 9839872, 11245568, 19679744, 39359488, 78718976]

約数ペア:

[(1, 78718976), (2, 39359488), (4, 19679744), (7, 11245568), (8, 9839872), (14, 5622784), (16, 4919936), (17, 4630528), (19, 4143104), (28, 2811392), (32, 2459968), (34, 2315264), (38, 2071552), (56, 1405696), (64, 1229984), (68, 1157632), (76, 1035776), (112, 702848), (119, 661504), (128, 614992), (133, 591872), (136, 578816), (152, 517888), (224, 351424), (238, 330752), (256, 307496), (266, 295936), (272, 289408), (289, 272384), (304, 258944), (323, 243712), (448, 175712), (476, 165376), (512, 153748), (532, 147968), (544, 144704), (578, 136192), (608, 129472), (646, 121856), (896, 87856), (952, 82688), (1024, 76874), (1064, 73984), (1088, 72352), (1156, 68096), (1216, 64736), (1292, 60928), (1792, 43928), (1904, 41344), (2023, 38912), (2048, 38437), (2128, 36992), (2176, 36176), (2261, 34816), (2312, 34048), (2432, 32368), (2584, 30464), (3584, 21964), (3808, 20672), (4046, 19456), (4256, 18496), (4352, 18088), (4522, 17408), (4624, 17024), (4864, 16184), (5168, 15232), (5491, 14336), (7168, 10982), (7616, 10336), (8092, 9728), (8512, 9248), (8704, 9044)]